./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound5.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_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound5.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 20:52:14,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:14,458 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:14,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:14,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:14,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:14,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:14,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:14,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:14,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:14,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:14,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:14,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:14,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:14,491 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:14,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:14,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:14,492 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:14,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:14,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:14,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:14,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:14,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:14,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:14,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:14,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:14,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:14,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:14,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:14,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:14,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:14,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:14,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:14,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:14,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:14,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:14,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:14,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:14,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:14,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:14,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:14,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:14,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:14,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:14,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:14,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:14,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:14,774 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:14,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-09-11 20:52:16,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:16,208 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:16,208 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-09-11 20:52:16,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/243789405/d4b180d3125a475197e98a626eda637a/FLAGfc457877e [2024-09-11 20:52:16,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/243789405/d4b180d3125a475197e98a626eda637a [2024-09-11 20:52:16,230 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:16,231 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:16,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound5.yml/witness-2.1.yml [2024-09-11 20:52:16,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:16,293 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:16,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:16,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:16,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:16,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:16" (1/2) ... [2024-09-11 20:52:16,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b1b702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:16" (1/2) ... [2024-09-11 20:52:16,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@421653fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,303 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 08:52:16" (2/2) ... [2024-09-11 20:52:16,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b1b702 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,304 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 08:52:16" (2/2) ... [2024-09-11 20:52:16,312 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:16,313 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:16,313 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:16,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:16,461 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_unwindbound5.c[454,467] [2024-09-11 20:52:16,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:16,480 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:16,513 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_unwindbound5.c[454,467] Start Parsing Local [2024-09-11 20:52:16,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:16,536 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:16,537 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:16 WrapperNode [2024-09-11 20:52:16,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:16,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:16,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:16,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:16,548 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,548 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,553 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,562 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 20:52:16,566 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,566 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,571 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,578 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,579 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,581 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:16,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:16,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:16,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:16,586 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:16,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:16,615 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 20:52:16,621 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 20:52:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:16,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:16,744 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:16,753 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:16,905 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:16,937 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:16,938 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:16,966 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:16,967 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:16,967 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:16 BoogieIcfgContainer [2024-09-11 20:52:16,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:16,968 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:16,968 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:16,969 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:16,969 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:16" (1/4) ... [2024-09-11 20:52:16,969 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c2a89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,971 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 08:52:16" (2/4) ... [2024-09-11 20:52:16,971 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c2a89e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,971 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 08:52:16" (3/4) ... [2024-09-11 20:52:16,971 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c2a89e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,971 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 08:52:16" (4/4) ... [2024-09-11 20:52:16,972 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound5.c [2024-09-11 20:52:16,977 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:16,978 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:16,978 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:16,978 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:16,978 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:16,978 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 20:52:16,978 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 20:52:16,978 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 20:52:17,019 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:17,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,057 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:17,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,085 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:17,099 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:17,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,101 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,108 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:17,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,113 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:17,119 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:17,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,120 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,120 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,121 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:17,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,129 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:17,137 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:17,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,149 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:17,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,153 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,154 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:17,159 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:17,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,160 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,160 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,163 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:17,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,167 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:17,175 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:17,177 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,177 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,177 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,179 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:17,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,183 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:17,187 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:17,188 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c2a89e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:17, skipping insertion in model container [2024-09-11 20:52:17,188 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:17,190 INFO L158 Benchmark]: Toolchain (without parser) took 896.66ms. Allocated memory is still 190.8MB. Free memory was 161.5MB in the beginning and 134.7MB in the end (delta: 26.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,191 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 190.8MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:17,191 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:17,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.02ms. Allocated memory is still 190.8MB. Free memory was 161.3MB in the beginning and 153.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,192 INFO L158 Benchmark]: Boogie Preprocessor took 45.83ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,192 INFO L158 Benchmark]: RCFGBuilder took 383.55ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 153.6MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,193 INFO L158 Benchmark]: Referee took 220.49ms. Allocated memory is still 190.8MB. Free memory was 153.6MB in the beginning and 134.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,195 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 exit of procedure __VERIFIER_assert. 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. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 190.8MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.02ms. Allocated memory is still 190.8MB. Free memory was 161.3MB in the beginning and 153.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.83ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.55ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 153.6MB in the end (delta: -1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 220.49ms. Allocated memory is still 190.8MB. Free memory was 153.6MB in the beginning and 134.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:17,218 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_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound5.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 20:52:19,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:19,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:19,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:19,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:19,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:19,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:19,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:19,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:19,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:19,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:19,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:19,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:19,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:19,239 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:19,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:19,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:19,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:19,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:19,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:19,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:19,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:19,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:19,244 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:19,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:19,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:19,245 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:19,245 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:19,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:19,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:19,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:19,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:19,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:19,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:19,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:19,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:19,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:19,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:19,249 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:19,249 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:19,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:19,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:19,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:19,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:19,250 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:19,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:19,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:19,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:19,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:19,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:19,567 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:19,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-09-11 20:52:20,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:21,089 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:21,090 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-09-11 20:52:21,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8bed6652f/cd8c14f0dd554436bf98b271b08ca260/FLAG1733abcca [2024-09-11 20:52:21,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8bed6652f/cd8c14f0dd554436bf98b271b08ca260 [2024-09-11 20:52:21,505 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:21,506 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:21,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound5.yml/witness-2.1.yml [2024-09-11 20:52:21,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:21,552 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:21,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:21,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:21,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:21,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:21" (1/2) ... [2024-09-11 20:52:21,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3392c670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:21, skipping insertion in model container [2024-09-11 20:52:21,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:21" (1/2) ... [2024-09-11 20:52:21,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58e27559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:21, skipping insertion in model container [2024-09-11 20:52:21,563 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 08:52:21" (2/2) ... [2024-09-11 20:52:21,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3392c670 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:21, skipping insertion in model container [2024-09-11 20:52:21,564 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 08:52:21" (2/2) ... [2024-09-11 20:52:21,570 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:21,572 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:21,572 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:21,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:21,741 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_unwindbound5.c[454,467] [2024-09-11 20:52:21,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:21,773 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:21,800 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_unwindbound5.c[454,467] Start Parsing Local [2024-09-11 20:52:21,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:21,823 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:21,824 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:21 WrapperNode [2024-09-11 20:52:21,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:21,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:21,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:21,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:21,836 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,837 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,843 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,851 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 20:52:21,851 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,851 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,865 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,867 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,869 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,870 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:21,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:21,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:21,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:21,875 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 08:52:21" (1/1) ... [2024-09-11 20:52:21,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:21,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:21,900 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 20:52:21,903 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 20:52:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:22,006 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:22,009 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:22,701 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:22,755 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:22,755 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:22,781 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:22,781 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:22,781 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:22 BoogieIcfgContainer [2024-09-11 20:52:22,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:22,782 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:22,782 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:22,786 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:22,786 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:21" (1/4) ... [2024-09-11 20:52:22,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e0fe6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,786 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 08:52:21" (2/4) ... [2024-09-11 20:52:22,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e0fe6c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,786 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 08:52:21" (3/4) ... [2024-09-11 20:52:22,787 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e0fe6c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,787 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 08:52:22" (4/4) ... [2024-09-11 20:52:22,788 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound5.c [2024-09-11 20:52:22,793 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:22,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:22,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:22,795 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:22,795 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:22,795 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 20:52:22,795 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 20:52:22,795 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 20:52:22,839 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:22,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,887 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:22,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,889 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,889 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:26,985 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:27,018 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:27,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:27,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:27,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:27,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:27,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,025 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:27,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:27,026 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:27,026 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:27,026 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,093 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:31,127 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:31,128 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,128 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,131 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:31,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,145 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:31,162 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:31,164 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,164 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,164 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,164 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,189 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:31,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,360 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:35,410 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:35,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,415 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:35,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,418 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,422 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:35,428 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:35,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,430 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:35,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,430 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,430 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,430 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,430 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,432 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:35,434 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:35,434 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e0fe6c 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 20:52:35,435 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:35,439 INFO L158 Benchmark]: Toolchain (without parser) took 13883.60ms. Allocated memory is still 77.6MB. Free memory was 40.1MB in the beginning and 49.1MB in the end (delta: -8.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,439 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,440 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 77.6MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.40ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 46.5MB in the end (delta: -6.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,441 INFO L158 Benchmark]: Boogie Preprocessor took 46.36ms. Allocated memory is still 77.6MB. Free memory was 46.5MB in the beginning and 44.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,442 INFO L158 Benchmark]: RCFGBuilder took 909.01ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 52.4MB in the end (delta: -8.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,442 INFO L158 Benchmark]: Referee took 12652.72ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 49.1MB in the end (delta: 3.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,445 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. 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 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 main to loop head at line 27. 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: * CDTParser took 1.13ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 77.6MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.40ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 46.5MB in the end (delta: -6.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.36ms. Allocated memory is still 77.6MB. Free memory was 46.5MB in the beginning and 44.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 909.01ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 52.4MB in the end (delta: -8.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Referee took 12652.72ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 49.1MB in the end (delta: 3.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:35,499 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