./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound1.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/nla-digbench-scaling/ps2-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound1.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 20:52:17,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:17,458 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:17,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:17,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:17,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:17,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:17,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:17,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:17,485 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:17,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:17,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:17,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:17,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:17,487 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:17,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:17,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:17,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:17,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:17,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:17,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:17,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:17,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:17,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:17,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:17,493 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:17,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:17,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:17,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:17,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:17,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:17,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:17,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:17,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:17,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:17,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:17,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:17,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:17,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:17,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:17,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:17,500 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:17,501 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:17,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:17,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:17,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:17,786 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:17,787 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:17,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:52:17,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:17,866 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:17,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2024-09-11 20:52:19,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:19,470 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:19,471 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2024-09-11 20:52:19,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/062d4fe72/1eb1cafd34e94b09b71077ad4f22e5c7/FLAG147d6fbab [2024-09-11 20:52:19,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/062d4fe72/1eb1cafd34e94b09b71077ad4f22e5c7 [2024-09-11 20:52:19,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:19,490 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:19,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:19,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:19,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:19,496 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 08:52:17" (1/2) ... [2024-09-11 20:52:19,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c3d9cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:19, skipping insertion in model container [2024-09-11 20:52:19,498 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 08:52:17" (1/2) ... [2024-09-11 20:52:19,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a639685 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:19, skipping insertion in model container [2024-09-11 20:52:19,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:19" (2/2) ... [2024-09-11 20:52:19,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c3d9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19, skipping insertion in model container [2024-09-11 20:52:19,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:19" (2/2) ... [2024-09-11 20:52:19,506 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:19,507 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:19,507 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:19,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:19,680 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/nla-digbench-scaling/ps2-ll_valuebound1.c[454,467] [2024-09-11 20:52:19,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:19,711 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:19,753 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/nla-digbench-scaling/ps2-ll_valuebound1.c[454,467] Start Parsing Local [2024-09-11 20:52:19,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:19,780 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:19,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19 WrapperNode [2024-09-11 20:52:19,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:19,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:19,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:19,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:19,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,819 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 [2024-09-11 20:52:19,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:19,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:19,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:19,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:19,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (1/1) ... [2024-09-11 20:52:19,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:19,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:19,885 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 20:52:19,889 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 20:52:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:19,992 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:19,996 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:20,093 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:20,133 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:20,133 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:20,157 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:20,159 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:20,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:20 BoogieIcfgContainer [2024-09-11 20:52:20,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:20,161 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:20,161 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:20,162 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:20,163 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 08:52:17" (1/4) ... [2024-09-11 20:52:20,163 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27c2bbdc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,164 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:19" (2/4) ... [2024-09-11 20:52:20,164 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27c2bbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,164 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:19" (3/4) ... [2024-09-11 20:52:20,165 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27c2bbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,165 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:20" (4/4) ... [2024-09-11 20:52:20,167 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound1.c [2024-09-11 20:52:20,173 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:20,173 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:20,174 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:20,174 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:20,174 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:20,174 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:52:20,174 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:20,174 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:52:20,221 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:20,223 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,225 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,257 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:20,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,260 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,264 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,283 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:20,296 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:20,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,300 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:20,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,300 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,300 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,300 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,303 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:20,313 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:20,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,318 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:20,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,319 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,319 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,319 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,327 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:20,338 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:20,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,353 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:20,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,354 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,356 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:20,372 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:20,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,376 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:20,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,378 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,380 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:20,387 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:20,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,387 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,389 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:20,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,396 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:20,399 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:20,401 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27c2bbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,401 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:20,403 INFO L158 Benchmark]: Toolchain (without parser) took 912.96ms. Allocated memory is still 180.4MB. Free memory was 108.9MB in the beginning and 121.3MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:20,404 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 76.0MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:20,405 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:20,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.08ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 95.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,407 INFO L158 Benchmark]: Boogie Preprocessor took 74.12ms. Allocated memory is still 180.4MB. Free memory was 95.5MB in the beginning and 151.8MB in the end (delta: -56.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,407 INFO L158 Benchmark]: RCFGBuilder took 303.04ms. Allocated memory is still 180.4MB. Free memory was 151.8MB in the beginning and 138.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,408 INFO L158 Benchmark]: Referee took 240.39ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 121.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,410 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 27 to loop head at line 27. 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 11. 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 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 76.0MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.08ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 95.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.12ms. Allocated memory is still 180.4MB. Free memory was 95.5MB in the beginning and 151.8MB in the end (delta: -56.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 303.04ms. Allocated memory is still 180.4MB. Free memory was 151.8MB in the beginning and 138.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 240.39ms. Allocated memory is still 180.4MB. Free memory was 138.1MB in the beginning and 121.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:20,436 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:22,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:22,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:22,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:22,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:22,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:22,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:22,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:22,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:22,700 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:22,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:22,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:22,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:22,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:22,705 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:22,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:22,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:22,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:22,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:22,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:22,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:22,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:22,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:22,710 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:22,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:22,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:22,711 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:22,712 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:22,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:22,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:22,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:22,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:22,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:22,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:22,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:22,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:22,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:22,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:22,714 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:22,715 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:22,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:22,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:22,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:22,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:22,717 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:22,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:23,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:23,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:23,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:23,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:23,055 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:23,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2024-09-11 20:52:24,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:24,811 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:24,812 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2024-09-11 20:52:24,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dd8205642/9fea1b77866a4da9a93e41325c020980/FLAGbc4b3c63d [2024-09-11 20:52:25,199 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dd8205642/9fea1b77866a4da9a93e41325c020980 [2024-09-11 20:52:25,202 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:25,202 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:25,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:52:25,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:25,261 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:25,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:25,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:25,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:25,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:25" (1/2) ... [2024-09-11 20:52:25,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52016cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:25" (1/2) ... [2024-09-11 20:52:25,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a646c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,276 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 08:52:25" (2/2) ... [2024-09-11 20:52:25,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52016cce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,276 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 08:52:25" (2/2) ... [2024-09-11 20:52:25,286 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:25,287 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:25,287 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:25,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:25,482 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/nla-digbench-scaling/ps2-ll_valuebound1.c[454,467] [2024-09-11 20:52:25,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:25,514 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:25,551 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/nla-digbench-scaling/ps2-ll_valuebound1.c[454,467] Start Parsing Local [2024-09-11 20:52:25,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:25,579 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:25,580 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25 WrapperNode [2024-09-11 20:52:25,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:25,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:25,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:25,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:25,594 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,594 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,603 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,613 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 [2024-09-11 20:52:25,614 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,614 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,625 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,632 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,635 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,636 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:25,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:25,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:25,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:25,642 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 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:25,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:25,672 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 20:52:25,675 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 20:52:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:25,808 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:25,810 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:26,571 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:26,640 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:26,641 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:26,681 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:26,682 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:26,682 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:26 BoogieIcfgContainer [2024-09-11 20:52:26,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:26,683 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:26,683 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:26,685 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:26,685 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:25" (1/4) ... [2024-09-11 20:52:26,686 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4017f921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,687 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 08:52:25" (2/4) ... [2024-09-11 20:52:26,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4017f921 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,687 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 11.09 08:52:25" (3/4) ... [2024-09-11 20:52:26,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4017f921 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,689 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:26" (4/4) ... [2024-09-11 20:52:26,690 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound1.c [2024-09-11 20:52:26,696 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:26,697 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:26,697 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:26,697 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:26,697 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:26,697 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:52:26,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:26,698 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:26,750 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:26,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:26,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:26,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:26,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:26,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,791 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:26,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:26,793 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:26,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:26,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:26,814 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:26,837 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:26,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:26,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:26,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:26,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:26,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,848 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:26,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:26,849 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:26,849 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:26,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,925 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:30,964 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:30,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,977 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:30,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,978 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,987 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:31,008 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:31,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,039 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:31,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,224 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:35,271 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:35,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,275 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:35,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,278 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:35,286 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:35,286 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,286 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,287 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,287 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,289 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:35,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,289 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,291 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:35,295 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:35,295 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4017f921 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,295 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:35,297 INFO L158 Benchmark]: Toolchain (without parser) took 10035.36ms. Allocated memory is still 79.7MB. Free memory was 43.8MB in the beginning and 37.6MB in the end (delta: 6.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,297 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 58.7MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,297 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.84ms. Allocated memory is still 79.7MB. Free memory was 43.4MB in the beginning and 49.5MB in the end (delta: -6.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,298 INFO L158 Benchmark]: Boogie Preprocessor took 57.86ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 47.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,299 INFO L158 Benchmark]: RCFGBuilder took 1042.49ms. Allocated memory is still 79.7MB. Free memory was 47.2MB in the beginning and 32.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,299 INFO L158 Benchmark]: Referee took 8612.06ms. Allocated memory is still 79.7MB. Free memory was 32.8MB in the beginning and 37.6MB in the end (delta: -4.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. 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 11. 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 main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 58.7MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.84ms. Allocated memory is still 79.7MB. Free memory was 43.4MB in the beginning and 49.5MB in the end (delta: -6.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.86ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 47.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1042.49ms. Allocated memory is still 79.7MB. Free memory was 47.2MB in the beginning and 32.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8612.06ms. Allocated memory is still 79.7MB. Free memory was 32.8MB in the beginning and 37.6MB in the end (delta: -4.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:35,365 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: UNKNOWN