./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound20.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/ps3-ll_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound20.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 20:52:34,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:34,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:34,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:34,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:34,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:34,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:34,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:34,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:34,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:34,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:34,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:34,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:34,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:34,173 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:34,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:34,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:34,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:34,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:34,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:34,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:34,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:34,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:34,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:34,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:34,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:34,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:34,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:34,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:34,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:34,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:34,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:34,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:34,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:34,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:34,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:34,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:34,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:34,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:34,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:34,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:34,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:34,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:34,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:34,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:34,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:34,439 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:34,439 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:34,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-11 20:52:35,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:35,906 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:35,907 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-11 20:52:35,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2bed694dc/69dad5afcf0a4517b3ca668cb4f34f21/FLAGe572947c7 [2024-09-11 20:52:35,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2bed694dc/69dad5afcf0a4517b3ca668cb4f34f21 [2024-09-11 20:52:35,933 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:35,934 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:35,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound20.yml/witness-2.1.yml [2024-09-11 20:52:35,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:35,976 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:35,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:35,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:35,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:35,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:35" (1/2) ... [2024-09-11 20:52:35,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569291da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:35" (1/2) ... [2024-09-11 20:52:35,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b0c0523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,986 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 08:52:35" (2/2) ... [2024-09-11 20:52:35,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569291da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,987 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 08:52:35" (2/2) ... [2024-09-11 20:52:36,014 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:36,014 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:36,014 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:36,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:36,155 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/ps3-ll_unwindbound20.c[458,471] [2024-09-11 20:52:36,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:36,175 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:36,208 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/ps3-ll_unwindbound20.c[458,471] Start Parsing Local [2024-09-11 20:52:36,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:36,238 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:36,239 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:36 WrapperNode [2024-09-11 20:52:36,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:36,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:36,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:36,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:36,250 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,251 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,257 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,267 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 20:52:36,267 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,268 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,271 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,274 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,278 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,278 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:36,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:36,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:36,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:36,283 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 08:52:36" (1/1) ... [2024-09-11 20:52:36,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:36,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:36,311 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 20:52:36,313 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 20:52:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:36,402 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:36,404 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:36,526 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:36,563 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:36,564 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:36,579 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:36,580 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:36,580 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:36 BoogieIcfgContainer [2024-09-11 20:52:36,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:36,581 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:36,581 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:36,582 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:36,582 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:35" (1/4) ... [2024-09-11 20:52:36,582 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7905e86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:36, skipping insertion in model container [2024-09-11 20:52:36,582 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 08:52:35" (2/4) ... [2024-09-11 20:52:36,582 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7905e86c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:36, skipping insertion in model container [2024-09-11 20:52:36,583 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 08:52:36" (3/4) ... [2024-09-11 20:52:36,583 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7905e86c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:36, skipping insertion in model container [2024-09-11 20:52:36,583 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 08:52:36" (4/4) ... [2024-09-11 20:52:36,585 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound20.c [2024-09-11 20:52:36,588 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:36,589 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 20:52:36,589 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 20:52:36,589 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 20:52:36,590 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 20:52:36,590 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 20:52:36,590 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 20:52:36,590 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:52:36,626 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:36,627 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,627 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,627 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,628 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,654 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:36,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,684 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:36,702 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:36,702 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,703 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,703 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,703 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,712 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:36,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,718 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:36,734 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:36,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,740 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:36,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,750 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:36,757 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:36,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,757 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,757 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,769 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:36,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,770 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,772 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:36,782 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:36,783 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,783 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,786 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:36,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,788 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,788 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,791 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:36,799 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:36,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,802 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:36,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,803 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,805 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:36,808 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:36,808 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7905e86c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:36, skipping insertion in model container [2024-09-11 20:52:36,808 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:36,811 INFO L158 Benchmark]: Toolchain (without parser) took 833.13ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 58.3MB in the beginning and 97.0MB in the end (delta: -38.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,812 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:36,812 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:36,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.53ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 58.0MB in the beginning and 135.8MB in the end (delta: -77.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,814 INFO L158 Benchmark]: Boogie Preprocessor took 40.20ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,814 INFO L158 Benchmark]: RCFGBuilder took 299.06ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 119.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,815 INFO L158 Benchmark]: Referee took 227.57ms. Allocated memory is still 172.0MB. Free memory was 119.0MB in the beginning and 97.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,818 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 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. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.53ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 58.0MB in the beginning and 135.8MB in the end (delta: -77.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.20ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.06ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 119.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 227.57ms. Allocated memory is still 172.0MB. Free memory was 119.0MB in the beginning and 97.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:36,841 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/ps3-ll_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound20.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 20:52:39,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:39,363 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:39,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:39,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:39,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:39,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:39,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:39,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:39,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:39,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:39,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:39,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:39,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:39,403 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:39,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:39,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:39,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:39,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:39,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:39,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:39,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:39,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:39,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:39,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:39,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:39,409 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:39,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:39,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:39,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:39,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:39,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:39,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:39,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:39,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:39,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:39,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:39,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:39,411 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:39,411 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:39,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:39,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:39,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:39,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:39,413 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:39,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:39,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:39,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:39,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:39,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:39,684 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:39,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-11 20:52:41,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:41,273 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:41,273 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-11 20:52:41,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd84cd209/1949b522d1ea4aefac0b8156301a6216/FLAGbb4f3309f [2024-09-11 20:52:41,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd84cd209/1949b522d1ea4aefac0b8156301a6216 [2024-09-11 20:52:41,299 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:41,300 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:41,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound20.yml/witness-2.1.yml [2024-09-11 20:52:41,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:41,368 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:41,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:41,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:41,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:41,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:41" (1/2) ... [2024-09-11 20:52:41,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e650779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:41, skipping insertion in model container [2024-09-11 20:52:41,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:41" (1/2) ... [2024-09-11 20:52:41,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@293e62bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:41, skipping insertion in model container [2024-09-11 20:52:41,385 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 08:52:41" (2/2) ... [2024-09-11 20:52:41,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e650779 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:41, skipping insertion in model container [2024-09-11 20:52:41,385 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 08:52:41" (2/2) ... [2024-09-11 20:52:41,391 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:41,392 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:41,392 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:41,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:41,542 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/ps3-ll_unwindbound20.c[458,471] [2024-09-11 20:52:41,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:41,576 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:41,608 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/ps3-ll_unwindbound20.c[458,471] Start Parsing Local [2024-09-11 20:52:41,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:41,639 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:41,639 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:41 WrapperNode [2024-09-11 20:52:41,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:41,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:41,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:41,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:41,650 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,651 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,657 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,664 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 20:52:41,668 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,669 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,674 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,677 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,681 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,683 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:41,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:41,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:41,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:41,688 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 08:52:41" (1/1) ... [2024-09-11 20:52:41,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:41,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:41,729 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 20:52:41,735 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 20:52:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:41,833 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:41,835 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:44,297 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:44,402 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:44,402 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:44,428 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:44,429 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:44,429 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:44 BoogieIcfgContainer [2024-09-11 20:52:44,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:44,430 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:44,430 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:44,431 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:44,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:41" (1/4) ... [2024-09-11 20:52:44,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@630e0e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:44, skipping insertion in model container [2024-09-11 20:52:44,431 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 08:52:41" (2/4) ... [2024-09-11 20:52:44,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@630e0e92 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:44, skipping insertion in model container [2024-09-11 20:52:44,432 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 08:52:41" (3/4) ... [2024-09-11 20:52:44,432 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@630e0e92 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:44, skipping insertion in model container [2024-09-11 20:52:44,432 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 08:52:44" (4/4) ... [2024-09-11 20:52:44,433 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound20.c [2024-09-11 20:52:44,436 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:44,436 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 20:52:44,436 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 20:52:44,436 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 20:52:44,437 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 20:52:44,437 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 20:52:44,437 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 20:52:44,437 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:44,483 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:44,484 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:44,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:44,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:44,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:44,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:44,533 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:44,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:44,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:44,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:44,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:44,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:48,731 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:48,793 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:48,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:48,793 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:48,793 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:48,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:48,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:48,805 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:48,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:48,806 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:48,806 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:48,806 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:48,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:52,980 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:53,049 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:53,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:53,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:53,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:53,050 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:53,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:53,054 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:53,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:53,054 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:53,054 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:53,054 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:53,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:53,066 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:53,103 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:53,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:53,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:53,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:53,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:53,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:53,131 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:53,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:53,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:53,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:53,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:53,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:57,510 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:57,646 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:57,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:57,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:57,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:57,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:57,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:57,649 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:57,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:57,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:57,650 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:57,650 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:57,650 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:57,657 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:57,665 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:57,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:57,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:57,665 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:57,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:57,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:57,667 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:57,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:57,667 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:57,667 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:57,667 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:57,667 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:57,669 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:57,671 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:57,672 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@630e0e92 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:57, skipping insertion in model container [2024-09-11 20:52:57,672 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:57,677 INFO L158 Benchmark]: Toolchain (without parser) took 16304.32ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 46.6MB in the beginning and 44.1MB in the end (delta: 2.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:57,678 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:57,679 INFO L158 Benchmark]: Witness Parser took 1.04ms. Allocated memory is still 67.1MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:57,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.02ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 32.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:57,684 INFO L158 Benchmark]: Boogie Preprocessor took 46.59ms. Allocated memory is still 67.1MB. Free memory was 32.4MB in the beginning and 30.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:57,684 INFO L158 Benchmark]: RCFGBuilder took 2742.13ms. Allocated memory is still 67.1MB. Free memory was 30.1MB in the beginning and 31.7MB in the end (delta: -1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:57,684 INFO L158 Benchmark]: Referee took 13242.09ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.7MB in the beginning and 44.1MB in the end (delta: -12.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:57,686 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 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. 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 0.17ms. Allocated memory is still 52.4MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.04ms. Allocated memory is still 67.1MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.02ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 32.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.59ms. Allocated memory is still 67.1MB. Free memory was 32.4MB in the beginning and 30.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2742.13ms. Allocated memory is still 67.1MB. Free memory was 30.1MB in the beginning and 31.7MB in the end (delta: -1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 13242.09ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.7MB in the beginning and 44.1MB in the end (delta: -12.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:57,790 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