./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 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-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-6908dde-m [2024-09-25 00:28:04,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:04,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:04,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:04,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:04,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:04,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:04,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:04,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:04,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:04,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:04,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:04,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:04,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:04,540 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:04,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:04,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:04,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:04,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:04,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:04,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:04,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:04,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:04,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:04,547 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:04,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:04,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:04,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:04,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:04,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:04,549 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:04,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:04,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:04,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:04,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:04,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:04,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:04,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:04,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:04,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:04,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:04,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:04,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:04,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:04,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:04,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:04,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:04,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:04,881 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:04,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-09-25 00:28:06,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:06,684 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:06,686 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-09-25 00:28:06,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5ca7da0b4/8b9f1805d4824887b866a8f85cbfdade/FLAG59e89338a [2024-09-25 00:28:07,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5ca7da0b4/8b9f1805d4824887b866a8f85cbfdade [2024-09-25 00:28:07,075 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:07,076 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:07,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark23_conjunctive.yml/witness-2.1.yml [2024-09-25 00:28:07,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:07,141 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:07,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:07,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:07,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:07,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:07" (1/2) ... [2024-09-25 00:28:07,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eabe43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:07, skipping insertion in model container [2024-09-25 00:28:07,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:07" (1/2) ... [2024-09-25 00:28:07,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6564baa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:07, skipping insertion in model container [2024-09-25 00:28:07,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:07" (2/2) ... [2024-09-25 00:28:07,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eabe43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:07, skipping insertion in model container [2024-09-25 00:28:07,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:07" (2/2) ... [2024-09-25 00:28:07,167 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:07,168 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))) [2024-09-25 00:28:07,168 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:07,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:07,349 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] [2024-09-25 00:28:07,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:07,370 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:28:07,420 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 [2024-09-25 00:28:07,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:07,501 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:07,502 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:07 WrapperNode [2024-09-25 00:28:07,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:07,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:07,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:07,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:07,539 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,540 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,575 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,601 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 [2024-09-25 00:28:07,601 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,601 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,608 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,613 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,614 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,619 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:07,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:07,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:07,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:07,628 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 25.09 12:28:07" (1/1) ... [2024-09-25 00:28:07,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:07,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:07,665 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) [2024-09-25 00:28:07,667 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 [2024-09-25 00:28:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:28:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:07,783 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:07,785 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:08,054 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:08,064 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:08,092 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:08,093 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:28:08,093 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:08 BoogieIcfgContainer [2024-09-25 00:28:08,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:08,094 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:08,094 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:08,095 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:08,095 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:07" (1/4) ... [2024-09-25 00:28:08,096 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16f068e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:08, skipping insertion in model container [2024-09-25 00:28:08,096 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:07" (2/4) ... [2024-09-25 00:28:08,096 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16f068e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:08, skipping insertion in model container [2024-09-25 00:28:08,096 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 25.09 12:28:07" (3/4) ... [2024-09-25 00:28:08,097 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16f068e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:08, skipping insertion in model container [2024-09-25 00:28:08,097 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:08" (4/4) ... [2024-09-25 00:28:08,098 INFO L79 RefereeObserver]: Analyzing ICFG benchmark23_conjunctive.i [2024-09-25 00:28:08,101 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:28:08,102 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:08,102 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:28:08,102 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:28:08,102 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:08,103 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:08,103 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-25 00:28:08,167 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:08,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:08,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:08,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:08,171 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:08,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,218 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:08,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:08,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:08,221 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:08,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:08,270 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:08,296 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:08,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:08,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:08,297 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:08,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:08,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,316 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:08,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,317 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:08,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:08,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:08,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:08,333 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:08,359 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:08,359 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:08,360 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:08,360 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:08,360 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:08,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,407 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:08,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:08,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:08,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:08,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:08,460 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:08,480 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:08,481 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:08,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:08,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:08,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:08,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,487 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:08,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,487 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:08,488 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:08,488 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:08,490 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:08,492 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:08,512 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:08,514 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:08,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:08,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:08,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:08,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,516 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:08,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:08,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:08,517 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:08,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:08,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:08,520 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:08,524 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:28:08,525 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16f068e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:08, skipping insertion in model container [2024-09-25 00:28:08,526 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:08,528 INFO L158 Benchmark]: Toolchain (without parser) took 1386.44ms. Allocated memory is still 176.2MB. Free memory was 104.9MB in the beginning and 51.6MB in the end (delta: 53.3MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-09-25 00:28:08,529 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:08,529 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:08,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.35ms. Allocated memory is still 176.2MB. Free memory was 104.6MB in the beginning and 90.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:08,555 INFO L158 Benchmark]: Boogie Preprocessor took 117.86ms. Allocated memory is still 176.2MB. Free memory was 90.1MB in the beginning and 145.9MB in the end (delta: -55.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-09-25 00:28:08,556 INFO L158 Benchmark]: RCFGBuilder took 467.30ms. Allocated memory is still 176.2MB. Free memory was 145.2MB in the beginning and 122.8MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-25 00:28:08,557 INFO L158 Benchmark]: Referee took 431.64ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 51.6MB in the end (delta: 71.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-25 00:28:08,561 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 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. 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 loop head at line 23 to loop head at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.35ms. Allocated memory is still 176.2MB. Free memory was 104.6MB in the beginning and 90.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.86ms. Allocated memory is still 176.2MB. Free memory was 90.1MB in the beginning and 145.9MB in the end (delta: -55.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 467.30ms. Allocated memory is still 176.2MB. Free memory was 145.2MB in the beginning and 122.8MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 431.64ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 51.6MB in the end (delta: 71.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:28:08,598 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