./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 04d6fb36 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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:37,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:37,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:05:37,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:37,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:37,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:37,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:37,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:37,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:37,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:37,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:37,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:37,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:37,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:37,806 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:37,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:37,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:37,807 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:37,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:05:37,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:37,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:37,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:37,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:37,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:37,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:37,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:37,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:37,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:37,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:37,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:37,814 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:37,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:37,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:37,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:37,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:37,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:37,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:37,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:05:37,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:05:37,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:37,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:37,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:37,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:37,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:38,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:38,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:38,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:38,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:38,113 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:38,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-15 20:05:39,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:39,834 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:39,837 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-15 20:05:39,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/edfdb477e/21aadd729acd4c6bb6bd10f6b36951ae/FLAGe1d2ed433 [2024-09-15 20:05:40,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/edfdb477e/21aadd729acd4c6bb6bd10f6b36951ae [2024-09-15 20:05:40,213 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:40,213 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:40,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-15 20:05:40,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:40,291 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:40,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:40,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:40,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:40,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:40" (1/2) ... [2024-09-15 20:05:40,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba7b91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:40, skipping insertion in model container [2024-09-15 20:05:40,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:40" (1/2) ... [2024-09-15 20:05:40,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e9a9a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:40, skipping insertion in model container [2024-09-15 20:05:40,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:40" (2/2) ... [2024-09-15 20:05:40,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba7b91f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:40, skipping insertion in model container [2024-09-15 20:05:40,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:40" (2/2) ... [2024-09-15 20:05:40,319 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:40,321 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-15 20:05:40,322 INFO L1541 ArrayList]: Location invariant before [L72-L105] (((((((((((((((((((((((((((((((((((((((((((((((((((((89 == main__y) && (89 == main__x)) && (\old(__return_720) == __return_720)) || (((53 == main__y) && (53 == main__x)) && (\old(__return_720) == __return_720))) || (((71 == main__y) && (\old(__return_720) == __return_720)) && (71 == main__x))) || (((79 == main__x) && (79 == main__y)) && (\old(__return_720) == __return_720))) || (((88 == main__y) && (\old(__return_720) == __return_720)) && (88 == main__x))) || (((81 == main__y) && (\old(__return_720) == __return_720)) && (81 == main__x))) || (((100 == main__y) && (100 <= main__x)) && (\old(__return_720) == __return_720))) || (((65 == main__y) && (\old(__return_720) == __return_720)) && (65 == main__x))) || (((main__y == 50) && (main__x <= 50)) && (\old(__return_720) == __return_720))) || (((52 == main__y) && (\old(__return_720) == __return_720)) && (52 == main__x))) || (((74 == main__x) && (\old(__return_720) == __return_720)) && (74 == main__y))) || (((64 == main__x) && (64 == main__y)) && (\old(__return_720) == __return_720))) || (((\old(__return_720) == __return_720) && (main__x == 93)) && (main__y == 93))) || (((\old(__return_720) == __return_720) && (main__x == 80)) && (main__y == 80))) || (((main__y == 86) && (\old(__return_720) == __return_720)) && (main__x == 86))) || (((main__x == 96) && (main__y == 96)) && (\old(__return_720) == __return_720))) || (((87 == main__x) && (\old(__return_720) == __return_720)) && (87 == main__y))) || (((90 == main__x) && (\old(__return_720) == __return_720)) && (90 == main__y))) || (((\old(__return_720) == __return_720) && (92 == main__y)) && (92 == main__x))) || (((60 == main__x) && (60 == main__y)) && (\old(__return_720) == __return_720))) || (((63 == main__x) && (63 == main__y)) && (\old(__return_720) == __return_720))) || (((98 == main__x) && (98 == main__y)) && (\old(__return_720) == __return_720))) || (((59 == main__y) && (\old(__return_720) == __return_720)) && (59 == main__x))) || (((72 == main__x) && (72 == main__y)) && (\old(__return_720) == __return_720))) || (((85 == main__y) && (\old(__return_720) == __return_720)) && (85 == main__x))) || (((73 == main__x) && (\old(__return_720) == __return_720)) && (73 == main__y))) || (((97 == main__x) && (\old(__return_720) == __return_720)) && (97 == main__y))) || (((main__x == 83) && (\old(__return_720) == __return_720)) && (main__y == 83))) || (((main__y == 54) && (main__x == 54)) && (\old(__return_720) == __return_720))) || (((91 == main__y) && (91 == main__x)) && (\old(__return_720) == __return_720))) || (((main__x == 61) && (main__y == 61)) && (\old(__return_720) == __return_720))) || (((58 == main__y) && (\old(__return_720) == __return_720)) && (58 == main__x))) || (((69 == main__y) && (\old(__return_720) == __return_720)) && (69 == main__x))) || (((95 == main__y) && (\old(__return_720) == __return_720)) && (95 == main__x))) || (((56 == main__x) && (\old(__return_720) == __return_720)) && (56 == main__y))) || (((55 == main__x) && (\old(__return_720) == __return_720)) && (55 == main__y))) || (((main__x == 75) && (main__y == 75)) && (\old(__return_720) == __return_720))) || (((68 == main__x) && (\old(__return_720) == __return_720)) && (68 == main__y))) || (((\old(__return_720) == __return_720) && (57 == main__x)) && (57 == main__y))) || (((51 == main__y) && (51 == main__x)) && (\old(__return_720) == __return_720))) || (((66 == main__y) && (66 == main__x)) && (\old(__return_720) == __return_720))) || (((main__y == 99) && (main__x == 99)) && (\old(__return_720) == __return_720))) || (((84 == main__x) && (\old(__return_720) == __return_720)) && (84 == main__y))) || (((67 == main__x) && (67 == main__y)) && (\old(__return_720) == __return_720))) || (((62 == main__x) && (62 == main__y)) && (\old(__return_720) == __return_720))) || (((70 == main__x) && (\old(__return_720) == __return_720)) && (70 == main__y))) || (((94 == main__y) && (94 == main__x)) && (\old(__return_720) == __return_720))) || (((76 == main__y) && (76 == main__x)) && (\old(__return_720) == __return_720))) || (((78 == main__y) && (\old(__return_720) == __return_720)) && (78 == main__x))) || (((82 == main__x) && (\old(__return_720) == __return_720)) && (82 == main__y))) || (((\old(__return_720) == __return_720) && (77 == main__x)) && (77 == main__y))) [2024-09-15 20:05:40,322 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-15 20:05:40,322 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:40,322 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-15 20:05:40,323 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-15 20:05:40,323 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:40,324 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:40,324 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:40,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:40,488 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-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-15 20:05:40,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:40,509 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:40,534 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-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 [2024-09-15 20:05:40,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:40,616 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:40,617 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:40 WrapperNode [2024-09-15 20:05:40,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:40,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:40,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:40,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:40,632 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,632 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,645 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,676 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]. [2024-09-15 20:05:40,676 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,676 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,695 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,702 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,706 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,708 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:40,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:40,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:40,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:40,717 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 15.09 08:05:40" (1/1) ... [2024-09-15 20:05:40,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:40,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:40,747 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) [2024-09-15 20:05:40,750 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 [2024-09-15 20:05:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-15 20:05:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-15 20:05:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-15 20:05:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:40,871 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:40,873 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:41,237 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:41,334 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:41,337 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:41,337 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:41 BoogieIcfgContainer [2024-09-15 20:05:41,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:41,342 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:41,342 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:41,343 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:41,343 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:40" (1/4) ... [2024-09-15 20:05:41,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cb42518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:41, skipping insertion in model container [2024-09-15 20:05:41,343 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:40" (2/4) ... [2024-09-15 20:05:41,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cb42518 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:41, skipping insertion in model container [2024-09-15 20:05:41,344 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 15.09 08:05:40" (3/4) ... [2024-09-15 20:05:41,344 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cb42518 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:41, skipping insertion in model container [2024-09-15 20:05:41,344 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:41" (4/4) ... [2024-09-15 20:05:41,362 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-15 20:05:41,366 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:41,367 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-15 20:05:41,368 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-15 20:05:41,368 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-15 20:05:41,368 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-15 20:05:41,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-15 20:05:41,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-15 20:05:41,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:05:41,369 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-15 20:05:41,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-15 20:05:41,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-15 20:05:41,371 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:41,427 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-15 20:05:41,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:41,429 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:41,429 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:41,433 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:41,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,471 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-15 20:05:41,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:41,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:41,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:41,479 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:41,503 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:41,528 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-15 20:05:41,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:41,528 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:41,528 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:41,528 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:41,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,611 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-15 20:05:41,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:41,614 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:41,614 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:41,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:41,625 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:41,646 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-15 20:05:41,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:41,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:41,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:41,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:41,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,684 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-15 20:05:41,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:41,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:41,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:41,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:41,691 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:41,706 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-15 20:05:41,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:41,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:41,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:41,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:41,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,826 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-15 20:05:41,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:41,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:41,827 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:41,827 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:41,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:41,838 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:41,861 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-15 20:05:41,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:41,861 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:41,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:41,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:41,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,174 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-15 20:05:43,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:43,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:43,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:43,277 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:43,288 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-15 20:05:43,288 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:43,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:43,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:43,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:43,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,362 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-15 20:05:43,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:43,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:43,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:43,373 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:43,380 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:43,389 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:43,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:43,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:43,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:43,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:43,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,391 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:05:43,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:43,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:43,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:43,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:43,395 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:43,405 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-15 20:05:43,406 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:43,406 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:43,407 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:43,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:43,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,565 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-15 20:05:43,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:43,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:43,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:43,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:43,581 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:43,584 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:43,595 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-15 20:05:43,595 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:43,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:43,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:43,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:43,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:45,213 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-15 20:05:45,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:45,217 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:45,217 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:45,218 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:45,347 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-15 20:05:45,348 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) [2024-09-15 20:05:45,353 INFO L158 Benchmark]: Toolchain (without parser) took 5060.97ms. Allocated memory was 163.6MB in the beginning and 922.7MB in the end (delta: 759.2MB). Free memory was 107.1MB in the beginning and 809.2MB in the end (delta: -702.2MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,354 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:45,354 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:45,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.95ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 90.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,356 INFO L158 Benchmark]: Boogie Preprocessor took 95.59ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 87.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,357 INFO L158 Benchmark]: RCFGBuilder took 627.06ms. Allocated memory is still 163.6MB. Free memory was 87.7MB in the beginning and 126.2MB in the end (delta: -38.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,357 INFO L158 Benchmark]: Referee took 4009.34ms. Allocated memory was 163.6MB in the beginning and 922.7MB in the end (delta: 759.2MB). Free memory was 126.2MB in the beginning and 809.2MB in the end (delta: -683.0MB). Peak memory consumption was 274.0MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,360 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 163.6MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.95ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 90.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.59ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 87.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.06ms. Allocated memory is still 163.6MB. Free memory was 87.7MB in the beginning and 126.2MB in the end (delta: -38.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Referee took 4009.34ms. Allocated memory was 163.6MB in the beginning and 922.7MB in the end (delta: 759.2MB). Free memory was 126.2MB in the beginning and 809.2MB in the end (delta: -683.0MB). Peak memory consumption was 274.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:45,392 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-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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:47,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:47,806 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:05:47,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:47,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:47,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:47,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:47,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:47,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:47,844 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:47,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:47,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:47,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:47,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:47,845 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:47,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:47,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:47,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:47,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:47,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:47,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:47,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:47,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:47,851 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:05:47,851 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:05:47,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:47,851 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:05:47,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:47,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:47,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:47,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:47,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:47,853 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:47,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:47,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:47,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:47,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:47,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:47,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:47,855 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:05:47,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:05:47,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:47,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:47,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:47,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:47,857 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:05:47,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:48,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:48,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:48,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:48,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:48,213 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:48,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-15 20:05:49,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:50,038 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:50,039 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-15 20:05:50,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a993e9676/fd00ad2b2e194b62889c26cdf6292a8f/FLAG14c030caf [2024-09-15 20:05:50,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a993e9676/fd00ad2b2e194b62889c26cdf6292a8f [2024-09-15 20:05:50,425 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:50,426 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:50,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-15 20:05:50,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:50,499 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:50,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:50,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:50,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:50,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:50" (1/2) ... [2024-09-15 20:05:50,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1560bd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:50, skipping insertion in model container [2024-09-15 20:05:50,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:50" (1/2) ... [2024-09-15 20:05:50,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@355ed9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:50, skipping insertion in model container [2024-09-15 20:05:50,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:50" (2/2) ... [2024-09-15 20:05:50,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1560bd67 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:50, skipping insertion in model container [2024-09-15 20:05:50,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:50" (2/2) ... [2024-09-15 20:05:50,533 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:50,534 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-15 20:05:50,534 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-15 20:05:50,534 INFO L1541 ArrayList]: Location invariant before [L72-L105] (((((((((((((((((((((((((((((((((((((((((((((((((((((89 == main__y) && (89 == main__x)) && (\old(__return_720) == __return_720)) || (((53 == main__y) && (53 == main__x)) && (\old(__return_720) == __return_720))) || (((71 == main__y) && (\old(__return_720) == __return_720)) && (71 == main__x))) || (((79 == main__x) && (79 == main__y)) && (\old(__return_720) == __return_720))) || (((88 == main__y) && (\old(__return_720) == __return_720)) && (88 == main__x))) || (((81 == main__y) && (\old(__return_720) == __return_720)) && (81 == main__x))) || (((100 == main__y) && (100 <= main__x)) && (\old(__return_720) == __return_720))) || (((65 == main__y) && (\old(__return_720) == __return_720)) && (65 == main__x))) || (((main__y == 50) && (main__x <= 50)) && (\old(__return_720) == __return_720))) || (((52 == main__y) && (\old(__return_720) == __return_720)) && (52 == main__x))) || (((74 == main__x) && (\old(__return_720) == __return_720)) && (74 == main__y))) || (((64 == main__x) && (64 == main__y)) && (\old(__return_720) == __return_720))) || (((\old(__return_720) == __return_720) && (main__x == 93)) && (main__y == 93))) || (((\old(__return_720) == __return_720) && (main__x == 80)) && (main__y == 80))) || (((main__y == 86) && (\old(__return_720) == __return_720)) && (main__x == 86))) || (((main__x == 96) && (main__y == 96)) && (\old(__return_720) == __return_720))) || (((87 == main__x) && (\old(__return_720) == __return_720)) && (87 == main__y))) || (((90 == main__x) && (\old(__return_720) == __return_720)) && (90 == main__y))) || (((\old(__return_720) == __return_720) && (92 == main__y)) && (92 == main__x))) || (((60 == main__x) && (60 == main__y)) && (\old(__return_720) == __return_720))) || (((63 == main__x) && (63 == main__y)) && (\old(__return_720) == __return_720))) || (((98 == main__x) && (98 == main__y)) && (\old(__return_720) == __return_720))) || (((59 == main__y) && (\old(__return_720) == __return_720)) && (59 == main__x))) || (((72 == main__x) && (72 == main__y)) && (\old(__return_720) == __return_720))) || (((85 == main__y) && (\old(__return_720) == __return_720)) && (85 == main__x))) || (((73 == main__x) && (\old(__return_720) == __return_720)) && (73 == main__y))) || (((97 == main__x) && (\old(__return_720) == __return_720)) && (97 == main__y))) || (((main__x == 83) && (\old(__return_720) == __return_720)) && (main__y == 83))) || (((main__y == 54) && (main__x == 54)) && (\old(__return_720) == __return_720))) || (((91 == main__y) && (91 == main__x)) && (\old(__return_720) == __return_720))) || (((main__x == 61) && (main__y == 61)) && (\old(__return_720) == __return_720))) || (((58 == main__y) && (\old(__return_720) == __return_720)) && (58 == main__x))) || (((69 == main__y) && (\old(__return_720) == __return_720)) && (69 == main__x))) || (((95 == main__y) && (\old(__return_720) == __return_720)) && (95 == main__x))) || (((56 == main__x) && (\old(__return_720) == __return_720)) && (56 == main__y))) || (((55 == main__x) && (\old(__return_720) == __return_720)) && (55 == main__y))) || (((main__x == 75) && (main__y == 75)) && (\old(__return_720) == __return_720))) || (((68 == main__x) && (\old(__return_720) == __return_720)) && (68 == main__y))) || (((\old(__return_720) == __return_720) && (57 == main__x)) && (57 == main__y))) || (((51 == main__y) && (51 == main__x)) && (\old(__return_720) == __return_720))) || (((66 == main__y) && (66 == main__x)) && (\old(__return_720) == __return_720))) || (((main__y == 99) && (main__x == 99)) && (\old(__return_720) == __return_720))) || (((84 == main__x) && (\old(__return_720) == __return_720)) && (84 == main__y))) || (((67 == main__x) && (67 == main__y)) && (\old(__return_720) == __return_720))) || (((62 == main__x) && (62 == main__y)) && (\old(__return_720) == __return_720))) || (((70 == main__x) && (\old(__return_720) == __return_720)) && (70 == main__y))) || (((94 == main__y) && (94 == main__x)) && (\old(__return_720) == __return_720))) || (((76 == main__y) && (76 == main__x)) && (\old(__return_720) == __return_720))) || (((78 == main__y) && (\old(__return_720) == __return_720)) && (78 == main__x))) || (((82 == main__x) && (\old(__return_720) == __return_720)) && (82 == main__y))) || (((\old(__return_720) == __return_720) && (77 == main__x)) && (77 == main__y))) [2024-09-15 20:05:50,534 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:50,535 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-15 20:05:50,535 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:50,535 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-15 20:05:50,535 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:50,535 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-15 20:05:50,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:50,769 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-lit/gj2007.c.i.p+lhb-reducer.c[1613,1626] [2024-09-15 20:05:50,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:50,816 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:50,843 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-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 [2024-09-15 20:05:50,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:50,958 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:50,959 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:50 WrapperNode [2024-09-15 20:05:50,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:50,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:50,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:50,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:50,975 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:50,975 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:50,988 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,018 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]. [2024-09-15 20:05:51,019 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,019 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,033 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,040 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,044 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,050 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:51,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:51,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:51,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:51,059 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 15.09 08:05:50" (1/1) ... [2024-09-15 20:05:51,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:51,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:51,096 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) [2024-09-15 20:05:51,100 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 [2024-09-15 20:05:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-15 20:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-15 20:05:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-15 20:05:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:51,226 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:51,229 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:51,706 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:51,818 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:51,819 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:51,819 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:51 BoogieIcfgContainer [2024-09-15 20:05:51,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:51,820 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:51,820 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:51,822 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:51,822 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:50" (1/4) ... [2024-09-15 20:05:51,823 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@121f8bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:51, skipping insertion in model container [2024-09-15 20:05:51,823 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:50" (2/4) ... [2024-09-15 20:05:51,823 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@121f8bf6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:51, skipping insertion in model container [2024-09-15 20:05:51,824 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 15.09 08:05:50" (3/4) ... [2024-09-15 20:05:51,824 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@121f8bf6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:51, skipping insertion in model container [2024-09-15 20:05:51,825 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:51" (4/4) ... [2024-09-15 20:05:51,826 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-15 20:05:51,830 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:51,831 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-15 20:05:51,832 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-15 20:05:51,832 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-15 20:05:51,832 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-15 20:05:51,833 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-15 20:05:51,833 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-15 20:05:51,834 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:05:51,834 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-15 20:05:51,835 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-15 20:05:51,835 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-15 20:05:51,836 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:51,902 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-15 20:05:51,903 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,972 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-15 20:05:51,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,999 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:52,032 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-15 20:05:52,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:52,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:52,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:52,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:52,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:52,157 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-15 20:05:52,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:52,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:52,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:52,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:52,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:52,171 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:52,201 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-15 20:05:52,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:52,202 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:52,202 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:52,202 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:52,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:52,254 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-15 20:05:52,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:52,254 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:52,254 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:52,255 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:52,258 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:52,265 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:52,289 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-15 20:05:52,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:52,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:52,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:52,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:52,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:52,438 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-15 20:05:52,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:52,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:52,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:52,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:52,446 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:52,451 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:52,482 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-15 20:05:52,483 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:52,483 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:52,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:52,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:52,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:54,849 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-15 20:05:54,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:54,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:54,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:54,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:54,952 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:05:54,970 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-15 20:05:54,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:54,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:54,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:54,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:54,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:55,077 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-15 20:05:55,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:55,078 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:55,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:55,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:55,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:55,087 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:55,099 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:55,099 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:55,099 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:55,099 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:55,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:55,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:55,102 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:05:55,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:55,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:55,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:55,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:55,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:55,107 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:55,121 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-15 20:05:55,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:55,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:55,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:55,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:55,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:55,344 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-15 20:05:55,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:55,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:55,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:55,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:55,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:55,363 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:55,376 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-15 20:05:55,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:55,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:55,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:55,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:55,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:58,225 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-15 20:05:58,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:58,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:58,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:58,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:58,378 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-15 20:05:58,379 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) [2024-09-15 20:05:58,385 INFO L158 Benchmark]: Toolchain (without parser) took 7884.81ms. Allocated memory was 69.2MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 38.5MB in the beginning and 2.4GB in the end (delta: -2.4GB). Peak memory consumption was 645.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:58,386 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 48.2MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:58,386 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:58,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.08ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 39.3MB in the end (delta: -989.4kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-09-15 20:05:58,387 INFO L158 Benchmark]: Boogie Preprocessor took 96.83ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 36.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:05:58,388 INFO L158 Benchmark]: RCFGBuilder took 761.79ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 36.4MB in the beginning and 53.4MB in the end (delta: -17.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-09-15 20:05:58,389 INFO L158 Benchmark]: Referee took 6562.59ms. Allocated memory was 88.1MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 53.4MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 639.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:58,393 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 0.38ms. Allocated memory is still 48.2MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.08ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 39.3MB in the end (delta: -989.4kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.83ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 36.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 761.79ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 36.4MB in the beginning and 53.4MB in the end (delta: -17.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Referee took 6562.59ms. Allocated memory was 88.1MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 53.4MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 639.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:58,427 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