./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 a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-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-dev-a9b967e-m [2024-09-11 20:47:52,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:52,632 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:52,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:52,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:52,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:52,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:52,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:52,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:52,662 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:52,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:52,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:52,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:52,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:52,666 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:52,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:52,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:52,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:52,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:52,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:52,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:52,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:52,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:52,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:52,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:52,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:52,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:52,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:52,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:52,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:52,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:52,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:52,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:52,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:52,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:52,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:52,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:52,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:52,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:52,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:52,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:52,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:52,674 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:53,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:53,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:53,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:53,048 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:53,048 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:53,049 INFO L431 ainManager$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 [2024-09-11 20:47:53,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:53,139 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:53,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-09-11 20:47:54,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:54,698 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:54,698 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2024-09-11 20:47:54,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7442b973f/75372fc2996b44abb469f585f602a3f6/FLAG783453dc3 [2024-09-11 20:47:55,118 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7442b973f/75372fc2996b44abb469f585f602a3f6 [2024-09-11 20:47:55,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:55,119 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:55,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:55,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:55,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:55,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:53" (1/2) ... [2024-09-11 20:47:55,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620dc2fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:55, skipping insertion in model container [2024-09-11 20:47:55,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:53" (1/2) ... [2024-09-11 20:47:55,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14daa6da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:55, skipping insertion in model container [2024-09-11 20:47:55,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:55" (2/2) ... [2024-09-11 20:47:55,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620dc2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55, skipping insertion in model container [2024-09-11 20:47:55,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:55" (2/2) ... [2024-09-11 20:47:55,134 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:55,135 INFO L1541 ArrayList]: Loop invariant at [L23-L26] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((j == 124) && (62 == i)) || ((i == 11) && (22 == j))) || ((76 == j) && (i == 38))) || ((41 == i) && (82 == j))) || ((94 == i) && (j == 188))) || ((i == 15) && (30 == j))) || ((i == 63) && (j == 126))) || ((23 == i) && (46 == j))) || ((j == 80) && (40 == i))) || ((134 == j) && (67 == i))) || ((154 == j) && (77 == i))) || ((9 == i) && (j == 18))) || ((i == 4) && (j == 8))) || ((j == 166) && (i == 83))) || ((j == 12) && (6 == i))) || ((88 == i) && (176 == j))) || ((88 == j) && (44 == i))) || ((i == 26) && (52 == j))) || ((i == 39) && (j == 78))) || ((68 == j) && (i == 34))) || ((7 == i) && (14 == j))) || ((32 == j) && (16 == i))) || ((i == 93) && (j == 186))) || ((j == 180) && (i == 90))) || ((j == 26) && (i == 13))) || ((42 == i) && (84 == j))) || ((j == 38) && (19 == i))) || ((68 == i) && (j == 136))) || ((40 == j) && (i == 20))) || ((71 == i) && (142 == j))) || ((i == 8) && (16 == j))) || ((100 <= i) && (200 == j))) || ((56 == i) && (112 == j))) || ((2 == j) && (i == 1))) || ((91 == i) && (j == 182))) || ((156 == j) && (i == 78))) || ((35 == i) && (j == 70))) || ((j == 100) && (i == 50))) || ((j == 50) && (i == 25))) || ((i == 0) && (j == 0))) || ((j == 198) && (i == 99))) || ((108 == j) && (i == 54))) || ((i == 96) && (192 == j))) || ((j == 90) && (i == 45))) || ((144 == j) && (72 == i))) || ((57 == i) && (j == 114))) || ((i == 80) && (160 == j))) || ((i == 79) && (158 == j))) || ((190 == j) && (95 == i))) || ((i == 43) && (j == 86))) || ((j == 60) && (30 == i))) || ((46 == i) && (92 == j))) || ((106 == j) && (53 == i))) || ((i == 33) && (66 == j))) || ((i == 86) && (j == 172))) || ((64 == j) && (32 == i))) || ((i == 60) && (j == 120))) || ((5 == i) && (j == 10))) || ((j == 162) && (81 == i))) || ((29 == i) && (j == 58))) || ((14 == i) && (j == 28))) || ((94 == j) && (47 == i))) || ((i == 28) && (56 == j))) || ((62 == j) && (31 == i))) || ((194 == j) && (97 == i))) || ((i == 55) && (110 == j))) || ((j == 54) && (i == 27))) || ((j == 102) && (51 == i))) || ((164 == j) && (82 == i))) || ((138 == j) && (69 == i))) || ((64 == i) && (j == 128))) || ((j == 130) && (i == 65))) || ((i == 61) && (j == 122))) || ((6 == j) && (3 == i))) || ((104 == j) && (52 == i))) || ((98 == j) && (49 == i))) || ((j == 36) && (i == 18))) || ((196 == j) && (98 == i))) || ((i == 85) && (170 == j))) || ((i == 24) && (j == 48))) || ((152 == j) && (76 == i))) || ((i == 17) && (j == 34))) || ((j == 20) && (i == 10))) || ((66 == i) && (j == 132))) || ((i == 12) && (j == 24))) || ((j == 168) && (84 == i))) || ((i == 70) && (140 == j))) || ((92 == i) && (184 == j))) || ((j == 96) && (i == 48))) || ((j == 4) && (2 == i))) || ((21 == i) && (42 == j))) || ((22 == i) && (44 == j))) || ((146 == j) && (i == 73))) || ((116 == j) && (i == 58))) || ((178 == j) && (89 == i))) || ((i == 37) && (j == 74))) || ((i == 75) && (j == 150))) || ((i == 74) && (148 == j))) || ((i == 36) && (72 == j))) || ((87 == i) && (j == 174))) || ((j == 118) && (59 == i))) [2024-09-11 20:47:55,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:55,334 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i[873,886] [2024-09-11 20:47:55,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:55,356 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:55,366 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i[873,886] Start Parsing Local [2024-09-11 20:47:55,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:55,432 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:55,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55 WrapperNode [2024-09-11 20:47:55,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:55,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:55,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:55,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:55,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,471 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:47:55,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:55,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:55,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:55,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:55,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (1/1) ... [2024-09-11 20:47:55,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:55,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:55,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:47:55,523 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:47:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:55,555 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:55,555 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:55,555 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-11 20:47:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:47:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:47:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:47:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:55,609 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:55,610 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:55,857 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:55,858 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:55,869 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:55,870 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:55,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:55 BoogieIcfgContainer [2024-09-11 20:47:55,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:55,870 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:55,871 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:55,871 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:55,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:53" (1/4) ... [2024-09-11 20:47:55,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b4a33ae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:55, skipping insertion in model container [2024-09-11 20:47:55,872 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:55" (2/4) ... [2024-09-11 20:47:55,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b4a33ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:55, skipping insertion in model container [2024-09-11 20:47:55,872 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:55" (3/4) ... [2024-09-11 20:47:55,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b4a33ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:55, skipping insertion in model container [2024-09-11 20:47:55,872 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:55" (4/4) ... [2024-09-11 20:47:55,873 INFO L79 RefereeObserver]: Analyzing ICFG benchmark23_conjunctive.i [2024-09-11 20:47:55,875 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:55,876 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:55,876 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:55,876 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:55,876 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to error location [2024-09-11 20:47:55,909 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:55,910 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:55,910 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:55,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:55,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:55,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:55,925 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:55,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:55,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:55,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:55,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:55,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:55,941 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:55,956 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:55,956 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:55,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:55,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:55,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:55,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:55,986 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:55,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:55,986 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:55,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:55,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:55,986 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:56,005 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:56,015 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:56,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:56,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:56,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:56,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:56,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:56,017 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:56,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:56,017 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:56,017 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:56,017 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:56,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:56,026 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:47:56,026 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b4a33ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:56, skipping insertion in model container [2024-09-11 20:47:56,026 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:56,027 INFO L158 Benchmark]: Toolchain (without parser) took 907.84ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 63.8MB in the end (delta: 54.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:56,028 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:56,028 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:56,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.19ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 104.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:56,028 INFO L158 Benchmark]: Boogie Preprocessor took 50.93ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 101.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:56,029 INFO L158 Benchmark]: RCFGBuilder took 384.62ms. Allocated memory is still 153.1MB. Free memory was 101.8MB in the beginning and 106.7MB in the end (delta: -4.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:56,029 INFO L158 Benchmark]: Referee took 155.69ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 63.8MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:56,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not 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. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. 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 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: * Witness Parser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.19ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 104.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.93ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 101.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.62ms. Allocated memory is still 153.1MB. Free memory was 101.8MB in the beginning and 106.7MB in the end (delta: -4.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 155.69ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 63.8MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:56,061 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE