./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound100.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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound100.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 20:52:00,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:00,237 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:00,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:00,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:00,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:00,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:00,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:00,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:00,285 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:00,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:00,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:00,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:00,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:00,287 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:00,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:00,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:00,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:00,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:00,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:00,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:00,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:00,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:00,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:00,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:00,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:00,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:00,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:00,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:00,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:00,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:00,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:00,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:00,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:00,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:00,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:00,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:00,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:00,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:00,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:00,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:00,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:00,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:00,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:00,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:00,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:00,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:00,628 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:00,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-09-11 20:52:02,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:02,264 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:02,265 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-09-11 20:52:02,272 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e4fa91c0c/1c49d2a3fdf54155ac4d7fe4e74942af/FLAGbfd3f01ae [2024-09-11 20:52:02,664 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e4fa91c0c/1c49d2a3fdf54155ac4d7fe4e74942af [2024-09-11 20:52:02,667 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:02,668 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:02,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:52:02,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:02,709 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:02,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:02,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:02,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:02,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:02" (1/2) ... [2024-09-11 20:52:02,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170cc662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:02" (1/2) ... [2024-09-11 20:52:02,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d017ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,719 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 08:52:02" (2/2) ... [2024-09-11 20:52:02,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170cc662 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,722 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 08:52:02" (2/2) ... [2024-09-11 20:52:02,732 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:02,733 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:02,733 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:02,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:02,903 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_unwindbound100.c[454,467] [2024-09-11 20:52:02,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:02,936 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:02,976 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_unwindbound100.c[454,467] Start Parsing Local [2024-09-11 20:52:02,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:03,002 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:03,003 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03 WrapperNode [2024-09-11 20:52:03,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:03,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:03,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:03,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:03,018 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,019 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,027 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,037 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 20:52:03,038 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,039 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,047 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,053 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,056 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,056 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:03,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:03,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:03,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:03,067 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 08:52:03" (1/1) ... [2024-09-11 20:52:03,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:03,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:03,099 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 20:52:03,104 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 20:52:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:03,235 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:03,237 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:03,365 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:03,421 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:03,421 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:03,442 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:03,442 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:03,443 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:03 BoogieIcfgContainer [2024-09-11 20:52:03,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:03,444 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:03,444 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:03,446 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:03,446 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:02" (1/4) ... [2024-09-11 20:52:03,447 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d048835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:03, skipping insertion in model container [2024-09-11 20:52:03,448 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 08:52:02" (2/4) ... [2024-09-11 20:52:03,448 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d048835 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:03, skipping insertion in model container [2024-09-11 20:52:03,449 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 08:52:03" (3/4) ... [2024-09-11 20:52:03,449 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d048835 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:03, skipping insertion in model container [2024-09-11 20:52:03,449 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 08:52:03" (4/4) ... [2024-09-11 20:52:03,451 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound100.c [2024-09-11 20:52:03,459 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:03,460 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 20:52:03,460 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 20:52:03,460 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 20:52:03,460 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 20:52:03,460 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 20:52:03,460 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 20:52:03,460 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:52:03,502 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:03,503 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,534 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:03,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,536 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:03,566 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:03,577 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:03,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,584 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:03,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:03,588 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:03,597 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:03,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,601 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:03,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,606 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:03,611 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:03,622 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:03,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,635 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:03,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,636 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,636 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,636 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:03,638 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:03,646 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:03,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,651 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:03,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:03,654 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:03,667 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:03,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,670 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:03,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,670 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:03,672 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:03,676 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:03,676 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d048835 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:03, skipping insertion in model container [2024-09-11 20:52:03,676 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:03,678 INFO L158 Benchmark]: Toolchain (without parser) took 968.41ms. Allocated memory is still 161.5MB. Free memory was 126.2MB in the beginning and 106.4MB in the end (delta: 19.8MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:03,679 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 161.5MB. Free memory was 131.6MB in the beginning and 131.6MB in the end (delta: 6.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:03,679 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:03,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.84ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 112.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:03,680 INFO L158 Benchmark]: Boogie Preprocessor took 57.65ms. Allocated memory is still 161.5MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:03,681 INFO L158 Benchmark]: RCFGBuilder took 380.30ms. Allocated memory is still 161.5MB. Free memory was 110.2MB in the beginning and 124.4MB in the end (delta: -14.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:03,681 INFO L158 Benchmark]: Referee took 232.92ms. Allocated memory is still 161.5MB. Free memory was 124.4MB in the beginning and 106.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:03,684 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 check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure 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 0.24ms. Allocated memory is still 161.5MB. Free memory was 131.6MB in the beginning and 131.6MB in the end (delta: 6.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.84ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 112.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.65ms. Allocated memory is still 161.5MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.30ms. Allocated memory is still 161.5MB. Free memory was 110.2MB in the beginning and 124.4MB in the end (delta: -14.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 232.92ms. Allocated memory is still 161.5MB. Free memory was 124.4MB in the beginning and 106.4MB in the end (delta: 17.9MB). 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 20:52:03,713 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound100.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 20:52:06,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:06,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:06,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:06,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:06,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:06,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:06,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:06,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:06,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:06,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:06,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:06,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:06,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:06,194 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:06,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:06,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:06,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:06,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:06,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:06,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:06,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:06,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:06,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:06,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:06,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:06,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:06,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:06,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:06,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:06,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:06,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:06,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:06,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:06,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:06,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:06,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:06,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:06,209 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:06,209 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:06,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:06,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:06,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:06,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:06,211 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:06,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:06,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:06,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:06,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:06,563 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:06,563 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:06,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-09-11 20:52:08,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:08,303 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:08,304 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-09-11 20:52:08,311 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e1ef9b6ec/514a96ebf1e4461d86e7e17d8c869c00/FLAGe8119db44 [2024-09-11 20:52:08,682 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e1ef9b6ec/514a96ebf1e4461d86e7e17d8c869c00 [2024-09-11 20:52:08,685 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:08,686 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:08,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:52:08,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:08,739 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:08,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:08,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:08,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:08,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:08" (1/2) ... [2024-09-11 20:52:08,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360b2a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:08, skipping insertion in model container [2024-09-11 20:52:08,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:08" (1/2) ... [2024-09-11 20:52:08,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@324a1918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:08, skipping insertion in model container [2024-09-11 20:52:08,753 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 08:52:08" (2/2) ... [2024-09-11 20:52:08,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360b2a90 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:08, skipping insertion in model container [2024-09-11 20:52:08,754 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 08:52:08" (2/2) ... [2024-09-11 20:52:08,764 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:08,765 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:08,765 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:08,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:08,945 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_unwindbound100.c[454,467] [2024-09-11 20:52:08,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:08,984 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:09,026 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_unwindbound100.c[454,467] Start Parsing Local [2024-09-11 20:52:09,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:09,058 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:09,060 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:09 WrapperNode [2024-09-11 20:52:09,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:09,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:09,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:09,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:09,075 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,075 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,084 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,097 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 20:52:09,098 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,098 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,106 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,112 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,113 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,114 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:09,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:09,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:09,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:09,119 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 08:52:09" (1/1) ... [2024-09-11 20:52:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:09,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:09,144 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 20:52:09,153 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 20:52:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:09,270 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:09,273 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:10,179 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:10,241 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:10,241 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:10,270 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:10,274 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:10,275 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:10 BoogieIcfgContainer [2024-09-11 20:52:10,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:10,276 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:10,276 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:10,277 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:10,277 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:08" (1/4) ... [2024-09-11 20:52:10,277 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d7c7953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:10, skipping insertion in model container [2024-09-11 20:52:10,279 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 08:52:08" (2/4) ... [2024-09-11 20:52:10,279 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d7c7953 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:10, skipping insertion in model container [2024-09-11 20:52:10,279 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 08:52:09" (3/4) ... [2024-09-11 20:52:10,280 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d7c7953 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:10, skipping insertion in model container [2024-09-11 20:52:10,280 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 08:52:10" (4/4) ... [2024-09-11 20:52:10,281 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound100.c [2024-09-11 20:52:10,286 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:10,287 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 20:52:10,287 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 20:52:10,288 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 20:52:10,288 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 20:52:10,288 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 20:52:10,288 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 20:52:10,289 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:10,343 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:10,344 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:10,344 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:10,345 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:10,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:10,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,405 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:10,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:10,420 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:10,421 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:10,435 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:14,539 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:14,585 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:14,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:14,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:14,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:14,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:14,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:14,603 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:14,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:14,604 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:14,604 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:14,604 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:14,604 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:18,676 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:18,707 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:18,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:18,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:18,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:18,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:18,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,712 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:18,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:18,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:18,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:18,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:18,718 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:18,729 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:18,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:18,729 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:18,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:18,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:18,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,746 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:18,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:18,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:18,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:18,747 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,916 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:22,968 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:22,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,969 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,972 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:22,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,973 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,977 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:22,985 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:22,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,988 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:22,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,989 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,994 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:22,997 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:22,998 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d7c7953 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,998 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:23,000 INFO L158 Benchmark]: Toolchain (without parser) took 14260.24ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 27.4MB in the end (delta: 17.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:23,001 INFO L158 Benchmark]: CDTParser took 1.88ms. Allocated memory is still 52.4MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:23,001 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:23,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.50ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 30.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:23,004 INFO L158 Benchmark]: Boogie Preprocessor took 54.76ms. Allocated memory is still 69.2MB. Free memory was 30.9MB in the beginning and 28.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:23,004 INFO L158 Benchmark]: RCFGBuilder took 1157.42ms. Allocated memory is still 69.2MB. Free memory was 28.9MB in the beginning and 35.3MB in the end (delta: -6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:23,005 INFO L158 Benchmark]: Referee took 12722.67ms. Allocated memory is still 69.2MB. Free memory was 35.3MB in the beginning and 27.4MB in the end (delta: 7.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:23,008 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 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 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88ms. Allocated memory is still 52.4MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.50ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 30.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.76ms. Allocated memory is still 69.2MB. Free memory was 30.9MB in the beginning and 28.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1157.42ms. Allocated memory is still 69.2MB. Free memory was 28.9MB in the beginning and 35.3MB in the end (delta: -6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 12722.67ms. Allocated memory is still 69.2MB. Free memory was 35.3MB in the beginning and 27.4MB in the end (delta: 7.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:23,099 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