./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound20.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/prodbin-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound20.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 20:51:53,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:53,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:53,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:53,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:53,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:53,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:53,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:53,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:53,372 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:53,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:53,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:53,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:53,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:53,375 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:53,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:53,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:53,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:53,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:53,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:53,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:53,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:53,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:53,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:53,382 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:53,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:53,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:53,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:53,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:53,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:53,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:53,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:53,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:53,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:53,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:53,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:53,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:53,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:53,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:53,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:53,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:53,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:53,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:53,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:53,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:53,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:53,650 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:53,651 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:53,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:51:53,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:53,728 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:53,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c [2024-09-11 20:51:55,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:55,202 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:55,203 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c [2024-09-11 20:51:55,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/aff97d7fd/a8129f5dcf7f49b0b011ca137f94d8a3/FLAGc022dee0c [2024-09-11 20:51:55,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/aff97d7fd/a8129f5dcf7f49b0b011ca137f94d8a3 [2024-09-11 20:51:55,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:55,220 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:55,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:55,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:55,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:55,228 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 08:51:53" (1/2) ... [2024-09-11 20:51:55,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f92b0d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,229 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 08:51:53" (1/2) ... [2024-09-11 20:51:55,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b5b927 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:55" (2/2) ... [2024-09-11 20:51:55,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f92b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:55" (2/2) ... [2024-09-11 20:51:55,237 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:55,237 INFO L1541 ArrayList]: Loop invariant at [L34-L45] ((((((((((((1 <= (b % 2)) && (b <= 20)) && (((-1 + b) / 2) == y)) && (1 <= b)) && (a == z)) && (x == ((long long) 2 * a))) && (a <= 20)) && (0 <= a)) || ((((((((b <= 20) && (y == (b / 2))) && (1 <= b)) && (x == ((long long) 2 * a))) && (a <= 20)) && (z == 0)) && (0 <= a)) && ((b % 2) != 1))) || (((((((b <= 20) && (y <= 4)) && (0 <= y)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (a <= 20)) && (0 <= a))) || (((((((b == y) && (1 <= b)) && (a <= 20)) && (z == 0)) && (y <= 20)) && (0 <= a)) && (a == x))) || (((((((b <= 20) && (y == (b / 4))) && (((long long) a * b) == ((__int128) x * y))) && (1 <= b)) && (a <= 20)) && (z == 0)) && (0 <= a))) [2024-09-11 20:51:55,238 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:55,238 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:55,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:55,372 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/prodbin-ll_valuebound20.c[537,550] [2024-09-11 20:51:55,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:55,404 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:55,447 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/prodbin-ll_valuebound20.c[537,550] Start Parsing Local [2024-09-11 20:51:55,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:55,485 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:55,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55 WrapperNode [2024-09-11 20:51:55,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:55,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:55,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:55,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:55,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,513 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:55,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:55,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:55,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:55,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:55,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:55,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:55,563 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 20:51:55,571 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 20:51:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:55,710 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:55,712 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:55,884 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:55,922 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:55,923 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:55,941 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:55,941 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:55,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:55 BoogieIcfgContainer [2024-09-11 20:51:55,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:55,943 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:55,943 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:55,944 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:55,944 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 08:51:53" (1/4) ... [2024-09-11 20:51:55,944 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25d428d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,944 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:55" (2/4) ... [2024-09-11 20:51:55,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25d428d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,945 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55" (3/4) ... [2024-09-11 20:51:55,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25d428d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,945 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:55" (4/4) ... [2024-09-11 20:51:55,946 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound20.c [2024-09-11 20:51:55,968 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:55,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:55,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:55,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:55,972 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:55,973 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:55,973 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 20:51:55,973 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 20:51:55,974 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:51:56,037 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:56,038 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:56,038 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:56,039 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:56,040 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:56,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,050 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:56,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:56,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:56,054 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:56,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:56,073 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:56,106 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:56,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:56,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:56,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:56,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:56,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,151 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:56,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:56,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:56,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:56,157 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:56,168 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:56,185 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:56,188 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:56,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:56,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:56,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:56,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,261 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:51:56,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:56,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:56,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:56,271 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:56,384 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:56,395 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:56,395 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:56,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:56,396 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:56,396 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:56,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,407 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:56,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:56,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:56,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:56,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:56,411 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:56,420 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:56,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:56,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:56,421 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:56,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:56,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,427 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:56,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,427 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:56,427 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:56,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:56,428 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:56,442 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:56,451 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:56,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:56,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:56,452 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:56,452 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:56,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,454 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:56,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:56,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:56,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:56,456 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:56,457 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:56,465 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:56,465 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:56,465 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:56,465 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:56,465 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:56,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,468 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:56,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:56,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:56,469 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:56,469 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:56,469 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:56,470 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:56,473 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:56,474 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25d428d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:56, skipping insertion in model container [2024-09-11 20:51:56,474 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:56,475 INFO L158 Benchmark]: Toolchain (without parser) took 1254.67ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 85.3MB in the beginning and 155.5MB in the end (delta: -70.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-09-11 20:51:56,476 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 159.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:56,476 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 159.4MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:56,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.10ms. Allocated memory is still 159.4MB. Free memory was 85.3MB in the beginning and 71.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:56,477 INFO L158 Benchmark]: Boogie Preprocessor took 41.54ms. Allocated memory is still 159.4MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:56,477 INFO L158 Benchmark]: RCFGBuilder took 412.55ms. Allocated memory is still 159.4MB. Free memory was 69.3MB in the beginning and 52.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:56,478 INFO L158 Benchmark]: Referee took 531.22ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 52.9MB in the beginning and 155.5MB in the end (delta: -102.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:56,480 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 14. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.26ms. Allocated memory is still 159.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.69ms. Allocated memory is still 159.4MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.10ms. Allocated memory is still 159.4MB. Free memory was 85.3MB in the beginning and 71.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.54ms. Allocated memory is still 159.4MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.55ms. Allocated memory is still 159.4MB. Free memory was 69.3MB in the beginning and 52.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 531.22ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 52.9MB in the beginning and 155.5MB in the end (delta: -102.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:56,504 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/prodbin-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound20.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 20:51:58,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:58,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:58,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:58,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:58,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:58,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:58,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:58,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:58,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:58,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:58,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:58,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:58,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:58,593 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:58,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:58,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:58,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:58,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:58,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:58,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:58,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:58,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:58,596 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:58,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:58,597 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:58,597 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:58,598 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:58,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:58,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:58,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:58,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:58,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:58,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:58,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:58,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:58,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:58,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:58,600 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:58,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:58,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:58,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:58,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:58,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:58,602 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:58,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:58,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:58,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:58,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:58,924 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:58,928 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:58,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:51:59,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:59,000 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:59,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c [2024-09-11 20:52:00,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:00,821 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:00,822 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c [2024-09-11 20:52:00,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/698bccd3f/ef593b3901cd48339be7f4fa7e8466ec/FLAGcf7b58dad [2024-09-11 20:52:01,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/698bccd3f/ef593b3901cd48339be7f4fa7e8466ec [2024-09-11 20:52:01,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:01,211 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:01,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:01,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:01,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:01,217 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 08:51:58" (1/2) ... [2024-09-11 20:52:01,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a75dbb0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:01, skipping insertion in model container [2024-09-11 20:52:01,219 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 08:51:58" (1/2) ... [2024-09-11 20:52:01,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62a57f4e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:01, skipping insertion in model container [2024-09-11 20:52:01,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:01" (2/2) ... [2024-09-11 20:52:01,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a75dbb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01, skipping insertion in model container [2024-09-11 20:52:01,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:01" (2/2) ... [2024-09-11 20:52:01,227 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:01,228 INFO L1541 ArrayList]: Loop invariant at [L34-L45] ((((((((((((1 <= (b % 2)) && (b <= 20)) && (((-1 + b) / 2) == y)) && (1 <= b)) && (a == z)) && (x == ((long long) 2 * a))) && (a <= 20)) && (0 <= a)) || ((((((((b <= 20) && (y == (b / 2))) && (1 <= b)) && (x == ((long long) 2 * a))) && (a <= 20)) && (z == 0)) && (0 <= a)) && ((b % 2) != 1))) || (((((((b <= 20) && (y <= 4)) && (0 <= y)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (a <= 20)) && (0 <= a))) || (((((((b == y) && (1 <= b)) && (a <= 20)) && (z == 0)) && (y <= 20)) && (0 <= a)) && (a == x))) || (((((((b <= 20) && (y == (b / 4))) && (((long long) a * b) == ((__int128) x * y))) && (1 <= b)) && (a <= 20)) && (z == 0)) && (0 <= a))) [2024-09-11 20:52:01,230 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:52:01,230 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:01,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:01,352 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/prodbin-ll_valuebound20.c[537,550] [2024-09-11 20:52:01,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:01,383 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:52:01,410 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/prodbin-ll_valuebound20.c[537,550] Start Parsing Local [2024-09-11 20:52:01,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:01,453 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:01,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01 WrapperNode [2024-09-11 20:52:01,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:01,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:01,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:01,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:01,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,477 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:52:01,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:01,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:01,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:01,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:01,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (1/1) ... [2024-09-11 20:52:01,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:01,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:01,530 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 20:52:01,537 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 20:52:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:01,628 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:01,630 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:02,769 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:02,847 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:02,848 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:02,881 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:02,884 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:02,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:02 BoogieIcfgContainer [2024-09-11 20:52:02,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:02,887 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:02,887 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:02,888 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:02,888 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 08:51:58" (1/4) ... [2024-09-11 20:52:02,888 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b7cc4e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,888 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:01" (2/4) ... [2024-09-11 20:52:02,889 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b7cc4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,889 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:01" (3/4) ... [2024-09-11 20:52:02,890 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b7cc4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,890 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:02" (4/4) ... [2024-09-11 20:52:02,891 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound20.c [2024-09-11 20:52:02,893 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:02,894 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:02,894 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:02,894 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:52:02,895 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:52:02,895 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:02,895 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 20:52:02,895 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 20:52:02,895 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:02,943 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:52:02,944 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:02,944 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:02,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:02,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:02,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,956 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:52:02,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,957 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:02,957 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:02,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:02,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:02,977 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:03,019 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:03,019 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,020 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,020 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,020 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,051 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:03,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,056 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,056 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:03,069 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:03,091 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:52:03,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:03,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:03,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:03,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:03,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,156 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:52:03,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:03,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:03,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:03,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:03,167 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:07,400 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:07,480 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:52:07,480 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:07,480 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:07,480 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:07,480 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:07,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:07,488 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:52:07,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:07,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:07,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:07,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:07,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:07,539 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:07,563 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:07,563 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:07,563 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:07,563 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:07,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:07,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:07,568 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:07,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:07,568 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:07,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:07,569 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:07,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:11,645 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:11,678 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:11,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:11,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:11,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:11,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:11,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,681 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:11,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:11,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:11,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:11,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:11,683 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:11,688 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:11,689 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:11,689 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:11,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:11,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:11,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,700 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:11,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:11,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:11,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:11,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:11,702 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:11,705 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:11,705 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b7cc4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:11, skipping insertion in model container [2024-09-11 20:52:11,705 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:11,707 INFO L158 Benchmark]: Toolchain (without parser) took 10495.33ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 41.2MB in the beginning and 74.3MB in the end (delta: -33.1MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:11,707 INFO L158 Benchmark]: Witness Parser took 0.63ms. Allocated memory is still 65.0MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:11,707 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 65.0MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:11,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.59ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 41.0MB in the beginning and 75.8MB in the end (delta: -34.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:11,708 INFO L158 Benchmark]: Boogie Preprocessor took 45.67ms. Allocated memory is still 96.5MB. Free memory was 75.8MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:11,708 INFO L158 Benchmark]: RCFGBuilder took 1384.83ms. Allocated memory is still 96.5MB. Free memory was 73.5MB in the beginning and 56.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:11,709 INFO L158 Benchmark]: Referee took 8818.65ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 74.3MB in the end (delta: -18.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:11,711 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 34 to loop head at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 14. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.63ms. Allocated memory is still 65.0MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 65.0MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.59ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 41.0MB in the beginning and 75.8MB in the end (delta: -34.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.67ms. Allocated memory is still 96.5MB. Free memory was 75.8MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1384.83ms. Allocated memory is still 96.5MB. Free memory was 73.5MB in the beginning and 56.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8818.65ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 74.3MB in the end (delta: -18.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:11,787 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