./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/phases_2-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-acceleration/phases_2-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.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-5189fb6-m [2024-09-13 05:02:14,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:14,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:14,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:14,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:14,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:14,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:14,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:14,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:14,654 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:14,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:14,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:14,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:14,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:14,657 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:14,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:14,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:14,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:14,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:14,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:14,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:14,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:14,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:14,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:14,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:14,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:14,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:14,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:14,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:14,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:14,664 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:14,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:14,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:14,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:14,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:14,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:14,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:14,665 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:14,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:14,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:14,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:14,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:14,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:14,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:14,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:14,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:14,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:14,905 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:14,906 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:14,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-09-13 05:02:14,963 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:14,964 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:14,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 05:02:16,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:16,308 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:16,308 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 05:02:16,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b8a414b60/fd06a6922e4e4611a4bd57c3f55c0b73/FLAG8fd93c2ce [2024-09-13 05:02:16,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b8a414b60/fd06a6922e4e4611a4bd57c3f55c0b73 [2024-09-13 05:02:16,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:16,329 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:16,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:16,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:16,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:16,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/2) ... [2024-09-13 05:02:16,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6bd74d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/2) ... [2024-09-13 05:02:16,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3791b675 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:16" (2/2) ... [2024-09-13 05:02:16,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6bd74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:16" (2/2) ... [2024-09-13 05:02:16,349 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:16,350 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= (y % 4294967296))) [2024-09-13 05:02:16,350 INFO L1541 ArrayList]: Function contract at [L10]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:02:16,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:16,476 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2024-09-13 05:02:16,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:16,498 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:02:16,526 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-09-13 05:02:16,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:16,542 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:16,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16 WrapperNode [2024-09-13 05:02:16,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:16,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:16,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:16,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:16,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,559 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,566 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 [2024-09-13 05:02:16,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:16,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:16,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:16,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:16,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:16,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:16,604 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) [2024-09-13 05:02:16,606 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 [2024-09-13 05:02:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:16,642 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:02:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:02:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:02:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:02:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:16,693 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:16,694 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:16,798 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:02:16,808 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:16,824 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:16,824 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:16,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:16 BoogieIcfgContainer [2024-09-13 05:02:16,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:16,825 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:16,825 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:16,826 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:16,826 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/4) ... [2024-09-13 05:02:16,827 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a7423a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,827 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:16" (2/4) ... [2024-09-13 05:02:16,827 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a7423a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,827 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (3/4) ... [2024-09-13 05:02:16,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a7423a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,841 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:16" (4/4) ... [2024-09-13 05:02:16,844 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-09-13 05:02:16,847 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:16,848 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:02:16,848 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:16,848 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:02:16,848 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:02:16,848 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:02:16,848 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:02:16,881 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:02:16,882 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,894 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:02:16,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,896 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,901 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:16,920 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:02:16,929 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:16,929 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,929 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,929 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,932 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:16,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,933 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:16,938 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:16,946 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:16,947 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,947 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,947 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,947 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,963 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:16,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,966 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,971 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:20,981 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:02:20,988 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:20,988 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:20,989 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:20,989 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:20,989 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:20,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:20,991 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:20,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:20,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:20,992 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:20,992 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:20,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:20,994 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:02:20,999 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:20,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:20,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:20,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:20,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:21,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:21,002 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:21,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:21,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:21,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:21,002 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:21,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:21,012 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:02:21,015 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:02:21,015 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a7423a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:21, skipping insertion in model container [2024-09-13 05:02:21,015 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:02:21,017 INFO L158 Benchmark]: Toolchain (without parser) took 4686.99ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 105.3MB in the end (delta: -25.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:21,017 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:21,018 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:21,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.57ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 66.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:21,018 INFO L158 Benchmark]: Boogie Preprocessor took 35.72ms. Allocated memory is still 151.0MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:21,022 INFO L158 Benchmark]: RCFGBuilder took 244.68ms. Allocated memory is still 151.0MB. Free memory was 64.8MB in the beginning and 52.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:21,023 INFO L158 Benchmark]: Referee took 4190.08ms. Allocated memory is still 151.0MB. Free memory was 52.1MB in the beginning and 105.3MB in the end (delta: -53.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-09-13 05:02:21,025 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 23 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.57ms. Allocated memory is still 151.0MB. Free memory was 80.1MB in the beginning and 66.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.72ms. Allocated memory is still 151.0MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 244.68ms. Allocated memory is still 151.0MB. Free memory was 64.8MB in the beginning and 52.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 4190.08ms. Allocated memory is still 151.0MB. Free memory was 52.1MB in the beginning and 105.3MB in the end (delta: -53.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:21,044 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/loop-acceleration/phases_2-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.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-5189fb6-m [2024-09-13 05:02:22,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:22,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:02:22,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:22,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:22,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:22,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:22,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:22,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:23,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:23,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:23,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:23,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:23,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:23,004 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:23,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:23,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:23,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:23,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:23,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:23,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:23,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:23,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:23,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:02:23,005 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:02:23,006 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:23,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:02:23,006 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:23,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:23,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:23,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:23,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:23,007 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:23,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:23,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:23,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:23,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:23,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:23,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:23,008 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:02:23,008 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:02:23,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:23,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:23,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:23,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:23,009 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:02:23,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:23,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:23,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:23,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:23,297 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:23,297 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:23,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-09-13 05:02:23,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:23,343 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:23,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 05:02:24,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:24,866 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:24,867 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 05:02:24,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b42cc9c05/f922d20bbab84c789239ffa882c70f79/FLAG4dd1df731 [2024-09-13 05:02:25,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b42cc9c05/f922d20bbab84c789239ffa882c70f79 [2024-09-13 05:02:25,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:25,282 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:25,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:25,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:25,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:25,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:23" (1/2) ... [2024-09-13 05:02:25,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca8f439 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:25, skipping insertion in model container [2024-09-13 05:02:25,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:23" (1/2) ... [2024-09-13 05:02:25,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f24c3c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:25, skipping insertion in model container [2024-09-13 05:02:25,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:25" (2/2) ... [2024-09-13 05:02:25,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca8f439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25, skipping insertion in model container [2024-09-13 05:02:25,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:25" (2/2) ... [2024-09-13 05:02:25,298 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:25,299 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= (y % 4294967296))) [2024-09-13 05:02:25,299 INFO L1541 ArrayList]: Function contract at [L10]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:02:25,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:25,436 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2024-09-13 05:02:25,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:25,467 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:02:25,496 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-09-13 05:02:25,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:25,515 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:25,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25 WrapperNode [2024-09-13 05:02:25,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:25,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:25,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:25,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:25,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,534 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,541 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 [2024-09-13 05:02:25,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:25,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:25,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:25,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:25,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (1/1) ... [2024-09-13 05:02:25,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:25,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:25,588 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) [2024-09-13 05:02:25,591 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 [2024-09-13 05:02:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:02:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:02:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:02:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:02:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:25,701 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:25,703 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:25,888 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:02:25,905 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:25,935 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:25,936 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:25,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:25 BoogieIcfgContainer [2024-09-13 05:02:25,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:25,937 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:25,937 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:25,938 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:25,938 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:23" (1/4) ... [2024-09-13 05:02:25,938 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46fcfa54 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:25, skipping insertion in model container [2024-09-13 05:02:25,938 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:25" (2/4) ... [2024-09-13 05:02:25,939 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46fcfa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:25, skipping insertion in model container [2024-09-13 05:02:25,939 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:25" (3/4) ... [2024-09-13 05:02:25,939 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46fcfa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:25, skipping insertion in model container [2024-09-13 05:02:25,939 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:25" (4/4) ... [2024-09-13 05:02:25,940 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-09-13 05:02:25,944 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:25,945 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:02:25,945 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:25,945 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:02:25,945 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:02:25,946 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:02:25,946 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:25,985 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:02:25,986 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:25,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:25,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:25,989 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:25,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,001 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:02:26,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:26,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:26,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:26,007 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:26,022 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:02:26,034 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:26,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:26,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:26,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:26,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:26,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,036 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:26,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:26,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:26,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:26,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:26,043 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:26,051 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:26,053 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:26,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:26,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:26,054 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:26,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,061 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:26,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:26,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:26,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:26,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:26,085 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:26,097 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:26,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:26,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:26,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:26,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:26,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,103 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:26,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:26,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:26,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:26,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:26,106 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:02:26,112 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:26,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:26,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:26,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:26,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:26,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,115 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:26,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:26,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:26,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:26,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:26,116 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:26,118 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:02:26,122 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:02:26,122 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46fcfa54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:26, skipping insertion in model container [2024-09-13 05:02:26,122 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:02:26,124 INFO L158 Benchmark]: Toolchain (without parser) took 841.52ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 30.4MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-09-13 05:02:26,125 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 46.1MB. Free memory was 23.2MB in the beginning and 23.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:26,126 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 46.1MB. Free memory was 21.1MB in the beginning and 21.1MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:26,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.65ms. Allocated memory is still 69.2MB. Free memory was 34.9MB in the beginning and 41.2MB in the end (delta: -6.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:26,127 INFO L158 Benchmark]: Boogie Preprocessor took 43.61ms. Allocated memory is still 69.2MB. Free memory was 41.2MB in the beginning and 39.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:26,128 INFO L158 Benchmark]: RCFGBuilder took 375.35ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 45.7MB in the end (delta: -6.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:26,128 INFO L158 Benchmark]: Referee took 185.51ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 30.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:26,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 46.1MB. Free memory was 23.2MB in the beginning and 23.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.71ms. Allocated memory is still 46.1MB. Free memory was 21.1MB in the beginning and 21.1MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.65ms. Allocated memory is still 69.2MB. Free memory was 34.9MB in the beginning and 41.2MB in the end (delta: -6.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.61ms. Allocated memory is still 69.2MB. Free memory was 41.2MB in the beginning and 39.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.35ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 45.7MB in the end (delta: -6.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Referee took 185.51ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 30.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:26,156 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE