./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:58,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:58,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:09:58,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:58,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:58,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:58,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:58,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:58,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:58,601 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:58,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:58,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:58,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:58,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:58,603 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:58,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:58,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:58,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:58,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:09:58,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:58,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:58,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:58,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:58,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:58,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:58,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:58,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:58,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:58,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:58,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:58,609 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:58,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:58,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:58,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:58,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:58,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:58,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:58,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:09:58,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:09:58,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:58,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:58,612 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:58,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:58,613 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:58,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:58,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:58,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:58,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:58,861 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:58,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-09-13 05:10:00,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:10:00,486 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:10:00,487 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-09-13 05:10:00,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8a819a4d3/253edb919b894d04aa577e262f40beac/FLAG0dba80c19 [2024-09-13 05:10:00,507 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8a819a4d3/253edb919b894d04aa577e262f40beac [2024-09-13 05:10:00,508 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:10:00,509 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:10:00,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.yml/witness-2.1.yml [2024-09-13 05:10:00,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:10:00,556 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:10:00,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:10:00,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:10:00,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:10:00,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:10:00" (1/2) ... [2024-09-13 05:10:00,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434ee23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:10:00, skipping insertion in model container [2024-09-13 05:10:00,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:10:00" (1/2) ... [2024-09-13 05:10:00,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2215307f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:10:00, skipping insertion in model container [2024-09-13 05:10:00,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:10:00" (2/2) ... [2024-09-13 05:10:00,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434ee23d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:10:00, skipping insertion in model container [2024-09-13 05:10:00,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:10:00" (2/2) ... [2024-09-13 05:10:00,575 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:10:00,577 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) x * 2) == (y + ((__int128) y * y))) [2024-09-13 05:10:00,578 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:10:00,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:10:00,767 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c[454,467] [2024-09-13 05:10:00,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:10:00,802 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:10:00,838 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c[454,467] Start Parsing Local [2024-09-13 05:10:00,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:10:00,864 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:10:00,865 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:10:00 WrapperNode [2024-09-13 05:10:00,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:10:00,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:10:00,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:10:00,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:10:00,878 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,878 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,885 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,898 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:10:00,898 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,899 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,903 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,906 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,906 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,907 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:10:00,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:10:00,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:10:00,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:10:00,910 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 13.09 05:10:00" (1/1) ... [2024-09-13 05:10:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:10:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:10:00,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:10:00,941 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:10:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:10:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:10:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:10:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:10:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:10:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:10:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:10:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:10:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:10:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:10:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:10:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:10:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:10:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:10:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:10:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:10:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:10:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:10:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:10:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:10:01,046 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:10:01,047 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:10:01,145 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:10:01,163 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:10:01,185 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:10:01,186 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:10:01,186 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:10:01 BoogieIcfgContainer [2024-09-13 05:10:01,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:10:01,187 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:10:01,187 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:10:01,188 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:10:01,188 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:10:00" (1/4) ... [2024-09-13 05:10:01,188 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16d4fe05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:10:01, skipping insertion in model container [2024-09-13 05:10:01,188 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:10:00" (2/4) ... [2024-09-13 05:10:01,189 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16d4fe05 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:10:01, skipping insertion in model container [2024-09-13 05:10:01,189 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 13.09 05:10:00" (3/4) ... [2024-09-13 05:10:01,189 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16d4fe05 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:10:01, skipping insertion in model container [2024-09-13 05:10:01,205 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:10:01" (4/4) ... [2024-09-13 05:10:01,211 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound50.c [2024-09-13 05:10:01,219 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:10:01,220 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:10:01,220 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:10:01,220 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:10:01,220 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:10:01,220 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:10:01,220 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:10:01,221 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:10:01,287 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:10:01,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:01,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:01,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:01,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:01,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,316 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:10:01,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,317 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:01,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:01,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:01,323 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:01,346 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:10:01,357 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:10:01,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:01,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:01,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:01,358 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:01,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,361 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:10:01,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:01,362 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:01,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:01,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:01,364 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:10:01,375 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:10:01,375 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:01,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:01,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:01,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:01,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,381 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:10:01,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:01,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:01,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:01,382 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:01,392 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:10:01,414 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:10:01,415 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:01,415 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:01,415 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:01,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:01,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,431 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:10:01,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:01,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:01,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:01,432 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:01,438 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:10:01,447 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:10:01,447 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:01,447 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:01,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:01,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:01,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,452 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:10:01,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:01,456 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:01,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:01,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:01,460 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:10:01,471 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:10:01,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:01,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:01,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:01,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:01,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,476 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:10:01,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:01,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:01,478 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:01,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:01,478 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:01,480 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:10:01,484 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:10:01,484 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16d4fe05 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:10:01, skipping insertion in model container [2024-09-13 05:10:01,485 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:10:01,487 INFO L158 Benchmark]: Toolchain (without parser) took 929.76ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 120.9MB in the end (delta: -11.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-09-13 05:10:01,487 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:10:01,488 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:10:01,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.90ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 96.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:10:01,489 INFO L158 Benchmark]: Boogie Preprocessor took 42.96ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:10:01,490 INFO L158 Benchmark]: RCFGBuilder took 276.95ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:10:01,491 INFO L158 Benchmark]: Referee took 297.94ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 120.9MB in the end (delta: -38.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-09-13 05:10:01,495 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.90ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 96.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.96ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.95ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 82.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 297.94ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 120.9MB in the end (delta: -38.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:10:01,527 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