./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:42,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:42,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:50:42,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:42,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:42,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:42,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:42,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:42,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:42,647 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:42,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:42,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:42,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:42,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:42,653 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:42,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:42,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:42,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:42,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:50:42,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:42,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:42,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:42,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:42,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:42,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:42,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:42,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:42,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:42,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:42,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:42,659 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:42,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:42,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:42,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:42,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:42,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:42,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:42,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:50:42,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:50:42,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:42,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:42,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:42,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:42,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:42,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:42,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:42,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:42,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:42,939 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:42,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2024-09-21 12:50:44,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:44,567 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:44,567 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2024-09-21 12:50:44,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/033186952/c3a350de4cad41fcaac2eb144f9f5aeb/FLAGf9adc51fb [2024-09-21 12:50:44,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/033186952/c3a350de4cad41fcaac2eb144f9f5aeb [2024-09-21 12:50:44,987 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:44,987 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:44,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound100.yml/witness-2.1.yml [2024-09-21 12:50:45,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:45,042 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:45,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:45,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:45,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:45,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:44" (1/2) ... [2024-09-21 12:50:45,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611f5509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:45, skipping insertion in model container [2024-09-21 12:50:45,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:44" (1/2) ... [2024-09-21 12:50:45,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b5e785d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:45, skipping insertion in model container [2024-09-21 12:50:45,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:45" (2/2) ... [2024-09-21 12:50:45,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611f5509 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:45, skipping insertion in model container [2024-09-21 12:50:45,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:45" (2/2) ... [2024-09-21 12:50:45,066 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:45,067 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((3 * ((__int128) y * y)) + y) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 6)) && (\old(counter) == 0)) [2024-09-21 12:50:45,067 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:50:45,067 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:45,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:45,249 WARN L248 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_unwindbound100.c[458,471] [2024-09-21 12:50:45,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:45,284 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:50:45,321 WARN L248 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_unwindbound100.c[458,471] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:50:45,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:45,358 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:45,358 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:45 WrapperNode [2024-09-21 12:50:45,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:45,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:45,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:45,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:45,372 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,372 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,379 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,392 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 [2024-09-21 12:50:45,392 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,392 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,398 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,402 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,406 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,407 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:45,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:45,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:45,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:45,414 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 21.09 12:50:45" (1/1) ... [2024-09-21 12:50:45,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:45,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:45,445 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) [2024-09-21 12:50:45,453 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 [2024-09-21 12:50:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-21 12:50:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:45,568 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:45,572 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:45,620 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:45,724 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:45,737 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:45,764 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:45,765 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:45,765 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:45 BoogieIcfgContainer [2024-09-21 12:50:45,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:45,766 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:45,767 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:45,768 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:45,768 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:44" (1/4) ... [2024-09-21 12:50:45,768 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15cadd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:45, skipping insertion in model container [2024-09-21 12:50:45,769 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:45" (2/4) ... [2024-09-21 12:50:45,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15cadd8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:45, skipping insertion in model container [2024-09-21 12:50:45,769 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 21.09 12:50:45" (3/4) ... [2024-09-21 12:50:45,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15cadd8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:45, skipping insertion in model container [2024-09-21 12:50:45,769 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:45" (4/4) ... [2024-09-21 12:50:45,771 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound100.c [2024-09-21 12:50:45,774 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:45,775 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:50:45,775 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:45,775 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:50:45,776 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:50:45,776 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:45,776 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:45,776 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:45,776 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:50:45,776 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-21 12:50:45,831 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:50:45,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:45,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:45,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:45,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:45,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:45,872 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:50:45,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:45,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:45,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:45,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:45,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:45,909 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:45,934 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:45,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:45,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:45,935 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:45,935 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:45,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:45,944 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:45,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:45,944 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:45,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:45,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:45,945 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:45,947 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:45,965 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:50:45,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:45,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:45,966 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:45,966 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:45,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:45,972 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:50:45,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:45,972 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:45,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:45,972 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:45,972 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:45,988 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:46,011 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:50:46,011 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:46,011 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:46,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:46,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:46,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,026 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:50:46,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:46,026 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:46,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:46,027 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:46,031 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:46,040 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:46,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:46,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:46,040 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:46,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:46,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,041 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:46,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:46,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:46,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:46,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:46,048 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:46,055 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:46,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:46,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:46,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:46,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:46,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,058 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:46,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,058 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:46,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:46,061 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:46,062 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:46,063 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:46,075 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:46,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:46,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:46,076 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:46,077 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:46,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,078 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:46,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:46,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:46,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:46,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:46,083 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:46,095 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:50:46,095 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:46,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:46,096 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:46,096 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:46,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,115 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:50:46,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:46,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:46,119 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:46,119 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:46,119 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:46,122 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:46,127 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:50:46,128 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15cadd8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:46, skipping insertion in model container [2024-09-21 12:50:46,128 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:46,129 INFO L158 Benchmark]: Toolchain (without parser) took 1087.15ms. Allocated memory is still 176.2MB. Free memory was 103.1MB in the beginning and 99.3MB in the end (delta: 3.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:46,130 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:46,130 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:46,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.05ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 147.2MB in the end (delta: -44.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:46,131 INFO L158 Benchmark]: Boogie Preprocessor took 52.13ms. Allocated memory is still 176.2MB. Free memory was 147.2MB in the beginning and 145.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:46,134 INFO L158 Benchmark]: RCFGBuilder took 353.41ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 131.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:46,134 INFO L158 Benchmark]: Referee took 361.50ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 99.3MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:46,137 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 27. Annotation is valid for all loop-free paths from loop head at line 27 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. 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 entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.05ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 147.2MB in the end (delta: -44.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.13ms. Allocated memory is still 176.2MB. Free memory was 147.2MB in the beginning and 145.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.41ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 131.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 361.50ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 99.3MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:50:46,166 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE