./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.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 [2024-09-12 16:51:25,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:51:25,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:51:25,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:51:25,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:51:25,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:51:25,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:51:25,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:51:25,151 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:51:25,152 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:51:25,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:51:25,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:51:25,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:51:25,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:51:25,154 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:51:25,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:51:25,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:51:25,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:51:25,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:51:25,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:51:25,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:51:25,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:51:25,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:51:25,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:51:25,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:51:25,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:51:25,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:51:25,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:51:25,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:51:25,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:51:25,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:51:25,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:51:25,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:51:25,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:51:25,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:51:25,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:51:25,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:51:25,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:51:25,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:51:25,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:51:25,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:51:25,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:51:25,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:51:25,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:51:25,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:51:25,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:51:25,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:51:25,390 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:51:25,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-09-12 16:51:26,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:51:26,697 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:51:26,698 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-09-12 16:51:26,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/770647bdd/546c3a1a1eed4273b821ab7575f16d74/FLAGe92347e53 [2024-09-12 16:51:27,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/770647bdd/546c3a1a1eed4273b821ab7575f16d74 [2024-09-12 16:51:27,124 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:51:27,125 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:51:27,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.yml/witness-2.1.yml [2024-09-12 16:51:27,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:51:27,161 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:51:27,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:51:27,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:51:27,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:51:27,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:51:27" (1/2) ... [2024-09-12 16:51:27,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dabfd20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:51:27, skipping insertion in model container [2024-09-12 16:51:27,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:51:27" (1/2) ... [2024-09-12 16:51:27,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77b9bbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:51:27, skipping insertion in model container [2024-09-12 16:51:27,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:27" (2/2) ... [2024-09-12 16:51:27,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dabfd20 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:51:27, skipping insertion in model container [2024-09-12 16:51:27,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:27" (2/2) ... [2024-09-12 16:51:27,175 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:51:27,175 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) x * 2) == (y + ((__int128) y * y))) [2024-09-12 16:51:27,175 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:51:27,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:51:27,313 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_valuebound10.c[454,467] [2024-09-12 16:51:27,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:51:27,329 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:51:27,359 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_valuebound10.c[454,467] Start Parsing Local [2024-09-12 16:51:27,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:51:27,381 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:51:27,381 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:51:27 WrapperNode [2024-09-12 16:51:27,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:51:27,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:51:27,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:51:27,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:51:27,392 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,392 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,397 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,408 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 [2024-09-12 16:51:27,408 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,410 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,412 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,415 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,419 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,419 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:51:27,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:51:27,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:51:27,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:51:27,422 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 12.09 04:51:27" (1/1) ... [2024-09-12 16:51:27,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:51:27,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:51:27,448 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) [2024-09-12 16:51:27,452 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 [2024-09-12 16:51:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:51:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:51:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:51:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:51:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:51:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:51:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:51:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:51:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:51:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:51:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:51:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:51:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:51:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:51:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:51:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:51:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:51:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:51:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:51:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:51:27,554 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:51:27,556 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:51:27,669 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:51:27,698 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-12 16:51:27,698 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:51:27,720 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:51:27,722 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:51:27,722 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:51:27 BoogieIcfgContainer [2024-09-12 16:51:27,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:51:27,724 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:51:27,724 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:51:27,725 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:51:27,725 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:51:27" (1/4) ... [2024-09-12 16:51:27,726 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60e58061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:51:27, skipping insertion in model container [2024-09-12 16:51:27,726 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:27" (2/4) ... [2024-09-12 16:51:27,726 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60e58061 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:51:27, skipping insertion in model container [2024-09-12 16:51:27,727 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 12.09 04:51:27" (3/4) ... [2024-09-12 16:51:27,728 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60e58061 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:51:27, skipping insertion in model container [2024-09-12 16:51:27,728 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:51:27" (4/4) ... [2024-09-12 16:51:27,729 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound10.c [2024-09-12 16:51:27,732 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:51:27,732 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:51:27,736 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:51:27,736 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:51:27,736 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:51:27,737 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:51:27,737 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:51:27,737 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, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-12 16:51:27,772 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:51:27,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:27,773 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:27,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:27,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:27,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,791 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:51:27,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:27,793 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:27,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:27,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:27,814 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:27,825 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:51:27,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:27,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:27,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:27,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:27,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,830 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:51:27,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:27,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:27,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:27,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:27,835 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:27,844 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:51:27,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:27,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:27,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:27,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:27,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,848 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:51:27,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:27,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:27,849 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:27,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:27,854 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:51:27,865 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:51:27,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:27,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:27,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:27,866 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:27,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,877 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:51:27,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,878 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:27,878 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:27,878 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:27,878 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:27,880 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:51:27,890 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:51:27,890 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:27,890 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:27,890 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:27,890 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:27,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,893 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:51:27,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:27,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:27,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:27,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:27,900 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:51:27,905 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:51:27,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:27,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:27,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:27,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:27,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,907 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:51:27,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:27,907 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:27,907 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:27,907 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:27,907 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:27,910 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:51:27,917 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:51:27,917 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60e58061 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:51:27, skipping insertion in model container [2024-09-12 16:51:27,917 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:51:27,918 INFO L158 Benchmark]: Toolchain (without parser) took 756.93ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 120.8MB in the end (delta: 10.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-09-12 16:51:27,918 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:27,919 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:27,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.39ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 117.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:51:27,919 INFO L158 Benchmark]: Boogie Preprocessor took 38.51ms. Allocated memory is still 172.0MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:51:27,920 INFO L158 Benchmark]: RCFGBuilder took 301.51ms. Allocated memory is still 172.0MB. Free memory was 115.6MB in the beginning and 137.6MB in the end (delta: -22.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-12 16:51:27,920 INFO L158 Benchmark]: Referee took 193.12ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 120.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 16:51:27,922 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 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 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 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 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.39ms. Allocated memory is still 172.0MB. Free memory was 131.6MB in the beginning and 117.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.51ms. Allocated memory is still 172.0MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.51ms. Allocated memory is still 172.0MB. Free memory was 115.6MB in the beginning and 137.6MB in the end (delta: -22.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 193.12ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 120.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:51:27,946 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