./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/benchmark19_conjunctive.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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/benchmark19_conjunctive.i ../results/cpachecker-verification-files/SV-COMP24_unreach-call/benchmark19_conjunctive.yml/output/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-27b4987-m [2024-09-21 19:08:04,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:04,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:04,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:04,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:04,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:04,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:04,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:04,211 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:04,212 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:04,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:04,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:04,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:04,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:04,216 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:04,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:04,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:04,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:04,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:04,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:04,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:04,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:04,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:04,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:04,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:04,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:04,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:04,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:04,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:04,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:04,221 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:04,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:04,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:04,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:04,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:04,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:04,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:04,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:04,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:04,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:04,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:04,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:04,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:04,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:04,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:04,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:04,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:04,516 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:04,517 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:04,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/benchmark19_conjunctive.yml/output/witness-2.1.yml [2024-09-21 19:08:04,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:04,565 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:04,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-09-21 19:08:06,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:06,212 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:06,213 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-09-21 19:08:06,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d690ce111/242bc61b7a0f4b0e87862ae374f5ccfa/FLAG04093e186 [2024-09-21 19:08:06,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d690ce111/242bc61b7a0f4b0e87862ae374f5ccfa [2024-09-21 19:08:06,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:06,238 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:06,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:06,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:06,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:06,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:04" (1/2) ... [2024-09-21 19:08:06,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e11c3b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:06, skipping insertion in model container [2024-09-21 19:08:06,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:04" (1/2) ... [2024-09-21 19:08:06,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ee97b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:06, skipping insertion in model container [2024-09-21 19:08:06,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:06" (2/2) ... [2024-09-21 19:08:06,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e11c3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06, skipping insertion in model container [2024-09-21 19:08:06,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:06" (2/2) ... [2024-09-21 19:08:06,264 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:06,264 INFO L1541 ArrayList]: Loop invariant at [L24-L26] 1 [2024-09-21 19:08:06,265 INFO L1541 ArrayList]: Function contract at [L19]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:06,265 INFO L1541 ArrayList]: Function contract at [L11]: requires 1, ensures 1 [2024-09-21 19:08:06,265 INFO L1541 ArrayList]: Function contract at [L14]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:06,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:06,446 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/benchmark19_conjunctive.i[873,886] [2024-09-21 19:08:06,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:06,477 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:08:06,519 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/benchmark19_conjunctive.i[873,886] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:08:06,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:06,541 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:06,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06 WrapperNode [2024-09-21 19:08:06,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:06,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:06,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:06,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:06,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,579 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:08:06,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:06,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:06,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:06,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:06,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (1/1) ... [2024-09-21 19:08:06,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:06,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:06,630 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) [2024-09-21 19:08:06,633 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 [2024-09-21 19:08:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:08:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:08:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:08:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:06,742 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:06,745 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:06,750 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:06,778 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:06,842 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:06,850 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:06,886 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:06,886 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:08:06,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:06 BoogieIcfgContainer [2024-09-21 19:08:06,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:06,888 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:06,889 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:06,889 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:06,890 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:04" (1/4) ... [2024-09-21 19:08:06,891 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ecc158c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:06, skipping insertion in model container [2024-09-21 19:08:06,891 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:06" (2/4) ... [2024-09-21 19:08:06,891 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ecc158c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:06, skipping insertion in model container [2024-09-21 19:08:06,891 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:06" (3/4) ... [2024-09-21 19:08:06,892 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ecc158c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:06, skipping insertion in model container [2024-09-21 19:08:06,892 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:06" (4/4) ... [2024-09-21 19:08:06,893 INFO L79 RefereeObserver]: Analyzing ICFG benchmark19_conjunctive.i [2024-09-21 19:08:06,896 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:08:06,896 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:06,897 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:06,897 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:08:06,897 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:06,897 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:06,897 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:08:06,897 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:08:06,897 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:06,898 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:06,898 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 5 loop-free subgraphs from procedure entry to error location [2024-09-21 19:08:06,964 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:08:06,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:06,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:06,966 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:06,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:06,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:06,977 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:08:06,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:06,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:06,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:06,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:06,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,007 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:07,022 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:07,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,036 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:07,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,041 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,046 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:07,057 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:08:07,058 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,058 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,058 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,058 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,064 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:08:07,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,064 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,064 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,067 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:07,074 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:08:07,074 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,075 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,076 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:08:07,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,079 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:07,087 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:07,087 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,087 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,088 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,088 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,088 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:07,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,089 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,089 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,091 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:07,098 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:07,098 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,098 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,099 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,105 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:07,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,106 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,106 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,107 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:07,115 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:07,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,117 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,117 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,120 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:07,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,122 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:07,130 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:07,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,135 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,141 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:07,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,148 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:07,155 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:07,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:07,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:07,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:07,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:07,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,159 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:07,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:07,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:07,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:07,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:07,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:07,178 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:08:07,178 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ecc158c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:07, skipping insertion in model container [2024-09-21 19:08:07,179 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:07,181 INFO L158 Benchmark]: Toolchain (without parser) took 941.54ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 99.4MB in the beginning and 152.0MB in the end (delta: -52.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:07,181 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:07,181 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:07,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.21ms. Allocated memory is still 159.4MB. Free memory was 98.9MB in the beginning and 85.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:07,183 INFO L158 Benchmark]: Boogie Preprocessor took 53.29ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:08:07,183 INFO L158 Benchmark]: RCFGBuilder took 288.63ms. Allocated memory is still 159.4MB. Free memory was 83.8MB in the beginning and 72.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:08:07,184 INFO L158 Benchmark]: Referee took 290.18ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 152.0MB in the end (delta: -79.8MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-21 19:08:07,190 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 24. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. 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 loop head at line 24 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.21ms. Allocated memory is still 159.4MB. Free memory was 98.9MB in the beginning and 85.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.29ms. Allocated memory is still 159.4MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.63ms. Allocated memory is still 159.4MB. Free memory was 83.8MB in the beginning and 72.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 290.18ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 152.0MB in the end (delta: -79.8MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:08:07,223 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