./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark23_conjunctive.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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-zilu/benchmark23_conjunctive.i ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark23_conjunctive.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-ca4ee3d-m [2024-09-20 20:09:54,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:54,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:54,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:54,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:54,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:54,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:54,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:54,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:54,727 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:54,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:54,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:54,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:54,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:54,729 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:54,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:54,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:54,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:54,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:54,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:54,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:54,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:54,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:54,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:54,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:54,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:54,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:54,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:54,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:54,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:54,734 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:54,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:54,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:54,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:54,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:54,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:54,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:54,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:54,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:54,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:54,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:54,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:54,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:54,741 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:54,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:55,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:55,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:55,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:55,027 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:55,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-09-20 20:09:56,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:56,570 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:56,571 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-09-20 20:09:56,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3f5ecd114/228be65b4b5d4691a13363a5e61d81c3/FLAGac449ed77 [2024-09-20 20:09:56,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3f5ecd114/228be65b4b5d4691a13363a5e61d81c3 [2024-09-20 20:09:56,596 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:56,596 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:56,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark23_conjunctive.yml/witness-2.1.yml [2024-09-20 20:09:56,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:56,652 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:56,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:56,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:56,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:56,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:56" (1/2) ... [2024-09-20 20:09:56,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc5ea74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:56, skipping insertion in model container [2024-09-20 20:09:56,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:56" (1/2) ... [2024-09-20 20:09:56,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@113a47a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:56, skipping insertion in model container [2024-09-20 20:09:56,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:56" (2/2) ... [2024-09-20 20:09:56,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc5ea74 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56, skipping insertion in model container [2024-09-20 20:09:56,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:56" (2/2) ... [2024-09-20 20:09:56,673 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:56,674 INFO L1541 ArrayList]: Loop invariant at [L23-L26] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((j == 36) && (i == 18)) || ((154 == j) && (77 == i))) || ((i == 16) && (32 == j))) || ((j == 4) && (i == 2))) || ((i == 45) && (j == 90))) || ((72 == j) && (i == 36))) || ((j == 172) && (i == 86))) || ((i == 22) && (44 == j))) || ((i == 25) && (j == 50))) || ((j == 18) && (i == 9))) || ((59 == i) && (j == 118))) || ((i == 27) && (j == 54))) || ((92 == j) && (i == 46))) || ((100 <= i) && (200 == j))) || ((i == 20) && (40 == j))) || ((i == 26) && (j == 52))) || ((19 == i) && (j == 38))) || ((44 == i) && (88 == j))) || ((j == 48) && (i == 24))) || ((i == 10) && (j == 20))) || ((91 == i) && (j == 182))) || ((j == 124) && (i == 62))) || ((j == 78) && (i == 39))) || ((i == 78) && (156 == j))) || ((5 == i) && (j == 10))) || ((98 == i) && (196 == j))) || ((152 == j) && (76 == i))) || ((i == 70) && (140 == j))) || ((j == 22) && (i == 11))) || ((35 == i) && (j == 70))) || ((30 == j) && (i == 15))) || ((95 == i) && (190 == j))) || ((64 == j) && (32 == i))) || ((30 == i) && (j == 60))) || ((j == 134) && (67 == i))) || ((29 == i) && (j == 58))) || ((j == 174) && (87 == i))) || ((81 == i) && (j == 162))) || ((i == 82) && (164 == j))) || ((84 == j) && (42 == i))) || ((i == 12) && (j == 24))) || ((184 == j) && (92 == i))) || ((i == 61) && (j == 122))) || ((j == 166) && (i == 83))) || ((j == 120) && (i == 60))) || ((i == 50) && (j == 100))) || ((i == 52) && (104 == j))) || ((i == 85) && (170 == j))) || ((57 == i) && (j == 114))) || ((i == 79) && (j == 158))) || ((i == 89) && (178 == j))) || ((i == 3) && (j == 6))) || ((j == 74) && (i == 37))) || ((j == 28) && (i == 14))) || ((68 == j) && (i == 34))) || ((7 == i) && (j == 14))) || ((56 == i) && (112 == j))) || ((i == 21) && (42 == j))) || ((i == 71) && (142 == j))) || ((i == 99) && (j == 198))) || ((23 == i) && (j == 46))) || ((j == 102) && (51 == i))) || ((146 == j) && (i == 73))) || ((76 == j) && (i == 38))) || ((108 == j) && (i == 54))) || ((192 == j) && (i == 96))) || ((j == 62) && (i == 31))) || ((i == 17) && (j == 34))) || ((i == 69) && (138 == j))) || ((148 == j) && (i == 74))) || ((56 == j) && (i == 28))) || ((49 == i) && (98 == j))) || ((i == 13) && (j == 26))) || ((94 == j) && (i == 47))) || ((88 == i) && (176 == j))) || ((i == 58) && (116 == j))) || ((i == 90) && (j == 180))) || ((j == 168) && (84 == i))) || ((j == 126) && (i == 63))) || ((66 == j) && (i == 33))) || ((72 == i) && (j == 144))) || ((j == 96) && (i == 48))) || ((j == 16) && (i == 8))) || ((i == 4) && (j == 8))) || ((97 == i) && (j == 194))) || ((j == 86) && (i == 43))) || ((i == 80) && (160 == j))) || ((66 == i) && (j == 132))) || ((j == 128) && (64 == i))) || ((j == 0) && (i == 0))) || ((110 == j) && (i == 55))) || ((i == 93) && (j == 186))) || ((j == 82) && (41 == i))) || ((53 == i) && (106 == j))) || ((j == 136) && (68 == i))) || ((j == 12) && (i == 6))) || ((j == 2) && (i == 1))) || ((40 == i) && (j == 80))) || ((i == 75) && (j == 150))) || ((j == 188) && (94 == i))) || ((j == 130) && (i == 65))) [2024-09-20 20:09:56,674 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:09:56,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:56,855 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-zilu/benchmark23_conjunctive.i[873,886] [2024-09-20 20:09:56,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:56,884 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:56,930 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-zilu/benchmark23_conjunctive.i[873,886] Start Parsing Local [2024-09-20 20:09:56,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:56,991 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:56,991 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56 WrapperNode [2024-09-20 20:09:56,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:56,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:56,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:56,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:57,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,027 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:09:57,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,050 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 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:57,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:57,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:57,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:57,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (1/1) ... [2024-09-20 20:09:57,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:57,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:57,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:09:57,089 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:09:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:09:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:09:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-20 20:09:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:09:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:09:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:09:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:57,226 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:57,227 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:57,452 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:57,461 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:57,483 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:57,483 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:09:57,483 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:57 BoogieIcfgContainer [2024-09-20 20:09:57,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:57,485 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:57,485 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:57,486 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:57,486 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:56" (1/4) ... [2024-09-20 20:09:57,487 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f3492d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:57, skipping insertion in model container [2024-09-20 20:09:57,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:56" (2/4) ... [2024-09-20 20:09:57,487 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f3492d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:57, skipping insertion in model container [2024-09-20 20:09:57,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:56" (3/4) ... [2024-09-20 20:09:57,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f3492d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:57, skipping insertion in model container [2024-09-20 20:09:57,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:57" (4/4) ... [2024-09-20 20:09:57,489 INFO L79 RefereeObserver]: Analyzing ICFG benchmark23_conjunctive.i [2024-09-20 20:09:57,492 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:09:57,493 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:57,493 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:09:57,494 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:09:57,494 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:57,494 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:57,494 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:09:57,551 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:09:57,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:57,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:57,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:57,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:57,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,592 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:09:57,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:57,594 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:57,594 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:57,608 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:57,639 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:57,665 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:57,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:57,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:57,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:57,667 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:57,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,691 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:57,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:57,692 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:57,692 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:57,692 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:57,704 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:57,728 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:57,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:57,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:57,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:57,729 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:57,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,799 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:57,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,800 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:57,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:57,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:57,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:57,849 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:57,868 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:57,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:57,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:57,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:57,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:57,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,872 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:57,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:57,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:57,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:57,875 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:57,877 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:57,899 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:57,900 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:57,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:57,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:57,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:57,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,904 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:57,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:57,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:57,905 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:57,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:57,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:57,908 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:57,911 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:09:57,912 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f3492d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:57, skipping insertion in model container [2024-09-20 20:09:57,912 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:57,913 INFO L158 Benchmark]: Toolchain (without parser) took 1260.41ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 83.3MB in the beginning and 110.4MB in the end (delta: -27.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:57,914 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:57,914 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:57,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.69ms. Allocated memory is still 130.0MB. Free memory was 82.8MB in the beginning and 68.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:57,917 INFO L158 Benchmark]: Boogie Preprocessor took 62.73ms. Allocated memory is still 130.0MB. Free memory was 68.6MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:57,919 INFO L158 Benchmark]: RCFGBuilder took 428.52ms. Allocated memory is still 130.0MB. Free memory was 66.0MB in the beginning and 82.4MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-20 20:09:57,919 INFO L158 Benchmark]: Referee took 426.71ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 82.4MB in the beginning and 110.4MB in the end (delta: -28.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-09-20 20:09:57,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.69ms. Allocated memory is still 130.0MB. Free memory was 82.8MB in the beginning and 68.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.73ms. Allocated memory is still 130.0MB. Free memory was 68.6MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.52ms. Allocated memory is still 130.0MB. Free memory was 66.0MB in the beginning and 82.4MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 426.71ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 82.4MB in the beginning and 110.4MB in the end (delta: -28.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:09:57,955 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: TRUE