./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound5.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_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:22,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:22,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:22,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:22,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:22,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:22,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:22,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:22,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:22,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:22,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:22,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:22,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:22,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:22,257 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:22,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:22,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:22,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:22,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:22,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:22,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:22,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:22,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:22,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:22,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:22,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:22,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:22,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:22,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:22,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:22,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:22,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:22,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:22,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:22,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:22,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:22,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:22,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:22,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:22,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:22,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:22,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:22,266 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:22,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:22,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:22,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:22,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:22,561 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:22,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-09-11 20:52:24,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:24,268 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:24,268 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-09-11 20:52:24,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2b69bdc3b/305a460645144f468ca2b839b57df94f/FLAGb569351cd [2024-09-11 20:52:24,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2b69bdc3b/305a460645144f468ca2b839b57df94f [2024-09-11 20:52:24,649 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:24,650 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:24,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:52:24,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:24,728 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:24,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:24,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:24,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:24,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:24" (1/2) ... [2024-09-11 20:52:24,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71035fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:24" (1/2) ... [2024-09-11 20:52:24,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54a2a252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:24" (2/2) ... [2024-09-11 20:52:24,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71035fcc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:24" (2/2) ... [2024-09-11 20:52:24,764 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:24,764 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:24,764 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:24,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:24,935 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_valuebound5.c[454,467] [2024-09-11 20:52:24,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:24,959 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:24,987 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_valuebound5.c[454,467] Start Parsing Local [2024-09-11 20:52:24,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:25,010 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:25,011 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25 WrapperNode [2024-09-11 20:52:25,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:25,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:25,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:25,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:25,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,045 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:52:25,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:25,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:25,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:25,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:25,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:25,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:25,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:52:25,095 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:52:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:25,213 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:25,215 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:25,341 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:25,382 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:25,382 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:25,409 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:25,413 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:25,413 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:25 BoogieIcfgContainer [2024-09-11 20:52:25,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:25,414 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:25,414 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:25,415 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:25,415 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:24" (1/4) ... [2024-09-11 20:52:25,415 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a76c15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,415 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:24" (2/4) ... [2024-09-11 20:52:25,416 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a76c15d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,416 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25" (3/4) ... [2024-09-11 20:52:25,416 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a76c15d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,416 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:25" (4/4) ... [2024-09-11 20:52:25,417 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound5.c [2024-09-11 20:52:25,423 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:25,424 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:25,426 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:25,426 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:25,427 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:25,427 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:52:25,427 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:25,427 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:52:25,472 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:25,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:25,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:25,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:25,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:25,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,500 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:25,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,502 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:25,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:25,504 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:25,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:25,528 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:25,545 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:25,548 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:25,548 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:25,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:25,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:25,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,555 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:25,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:25,559 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:25,559 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:25,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:25,562 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:25,576 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:25,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:25,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:25,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:25,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:25,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,582 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:25,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:25,584 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:25,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:25,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:25,590 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:25,602 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:25,603 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:25,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:25,604 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:25,604 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:25,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,625 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:25,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:25,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:25,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:25,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:25,630 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:25,642 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:25,643 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:25,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:25,644 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:25,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:25,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,647 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:25,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:25,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:25,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:25,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:25,658 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:25,668 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:25,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:25,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:25,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:25,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:25,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,671 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:25,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:25,671 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:25,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:25,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:25,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:25,677 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:25,680 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:25,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a76c15d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,681 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:25,687 INFO L158 Benchmark]: Toolchain (without parser) took 958.45ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 102.3MB in the end (delta: 46.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:25,690 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 178.3MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:25,693 INFO L158 Benchmark]: Witness Parser took 1.27ms. Allocated memory is still 178.3MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:25,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.41ms. Allocated memory is still 178.3MB. Free memory was 148.5MB in the beginning and 134.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:25,696 INFO L158 Benchmark]: Boogie Preprocessor took 49.36ms. Allocated memory is still 178.3MB. Free memory was 134.9MB in the beginning and 133.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:25,696 INFO L158 Benchmark]: RCFGBuilder took 351.56ms. Allocated memory is still 178.3MB. Free memory was 133.0MB in the beginning and 119.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:25,699 INFO L158 Benchmark]: Referee took 267.09ms. Allocated memory is still 178.3MB. Free memory was 119.1MB in the beginning and 102.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:25,702 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 loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from 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 entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 178.3MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.27ms. Allocated memory is still 178.3MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.41ms. Allocated memory is still 178.3MB. Free memory was 148.5MB in the beginning and 134.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.36ms. Allocated memory is still 178.3MB. Free memory was 134.9MB in the beginning and 133.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.56ms. Allocated memory is still 178.3MB. Free memory was 133.0MB in the beginning and 119.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 267.09ms. Allocated memory is still 178.3MB. Free memory was 119.1MB in the beginning and 102.3MB 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. [2024-09-11 20:52:25,724 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:27,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:28,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:28,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:28,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:28,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:28,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:28,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:28,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:28,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:28,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:28,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:28,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:28,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:28,093 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:28,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:28,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:28,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:28,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:28,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:28,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:28,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:28,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:28,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:28,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:28,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:28,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:28,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:28,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:28,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:28,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:28,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:28,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:28,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:28,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:28,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:28,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:28,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:28,102 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:28,102 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:28,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:28,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:28,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:28,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:28,104 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:28,104 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:28,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:28,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:28,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:28,463 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:28,463 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:28,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:52:28,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:28,527 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:28,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-09-11 20:52:30,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:30,315 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:30,315 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2024-09-11 20:52:30,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7af544962/fa6b48538fb64101a0e559581647e25f/FLAGc35da2bbc [2024-09-11 20:52:30,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7af544962/fa6b48538fb64101a0e559581647e25f [2024-09-11 20:52:30,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:30,339 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:30,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:30,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:30,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:30,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:28" (1/2) ... [2024-09-11 20:52:30,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2e437b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:28" (1/2) ... [2024-09-11 20:52:30,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@224a19b8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:30" (2/2) ... [2024-09-11 20:52:30,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2e437b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:30" (2/2) ... [2024-09-11 20:52:30,359 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:30,360 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:30,360 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:30,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:30,549 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_valuebound5.c[454,467] [2024-09-11 20:52:30,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:30,582 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:30,618 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_valuebound5.c[454,467] Start Parsing Local [2024-09-11 20:52:30,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:30,647 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:30,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30 WrapperNode [2024-09-11 20:52:30,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:30,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:30,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:30,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:30,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,672 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,685 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:52:30,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:30,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:30,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:30,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:30,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (1/1) ... [2024-09-11 20:52:30,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:30,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:30,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:52:30,744 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:52:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:30,879 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:30,881 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:31,559 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:31,612 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:31,612 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:31,636 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:31,637 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:31,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:31 BoogieIcfgContainer [2024-09-11 20:52:31,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:31,639 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:31,639 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:31,640 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:31,640 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:28" (1/4) ... [2024-09-11 20:52:31,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b05cbf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:31, skipping insertion in model container [2024-09-11 20:52:31,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:30" (2/4) ... [2024-09-11 20:52:31,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b05cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:31, skipping insertion in model container [2024-09-11 20:52:31,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:30" (3/4) ... [2024-09-11 20:52:31,643 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b05cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:31, skipping insertion in model container [2024-09-11 20:52:31,643 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:31" (4/4) ... [2024-09-11 20:52:31,644 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound5.c [2024-09-11 20:52:31,648 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:31,648 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:31,649 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:31,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:31,649 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:31,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:52:31,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:31,650 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 [2024-09-11 20:52:31,692 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:31,693 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,693 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,695 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,719 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:31,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,720 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,744 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:31,770 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:31,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,777 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:31,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,854 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:35,884 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:35,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,896 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:35,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,897 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,911 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:35,931 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:35,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,932 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,933 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,933 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,966 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:35,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,967 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,967 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:40,105 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:40,160 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:40,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:40,161 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:40,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:40,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:40,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:40,166 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:40,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:40,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:40,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:40,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:40,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:40,174 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:40,187 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:40,188 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:40,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:40,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:40,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:40,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:40,190 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:40,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:40,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:40,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:40,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:40,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:40,194 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:40,199 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:40,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b05cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:40, skipping insertion in model container [2024-09-11 20:52:40,199 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:40,202 INFO L158 Benchmark]: Toolchain (without parser) took 9861.02ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 50.5MB in the end (delta: 5.9MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-09-11 20:52:40,203 INFO L158 Benchmark]: Witness Parser took 1.09ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:40,204 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 33.8MB in the beginning and 33.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:40,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.31ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 42.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:40,205 INFO L158 Benchmark]: Boogie Preprocessor took 56.40ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 40.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:40,206 INFO L158 Benchmark]: RCFGBuilder took 929.96ms. Allocated memory is still 79.7MB. Free memory was 40.2MB in the beginning and 47.3MB in the end (delta: -7.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:40,207 INFO L158 Benchmark]: Referee took 8560.81ms. Allocated memory is still 79.7MB. Free memory was 46.9MB in the beginning and 50.5MB in the end (delta: -3.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-11 20:52:40,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.09ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 33.8MB in the beginning and 33.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.31ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 42.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.40ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 40.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 929.96ms. Allocated memory is still 79.7MB. Free memory was 40.2MB in the beginning and 47.3MB in the end (delta: -7.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 8560.81ms. Allocated memory is still 79.7MB. Free memory was 46.9MB in the beginning and 50.5MB in the end (delta: -3.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:40,267 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN