./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-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/ps4-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-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 20:52:59,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:59,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:59,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:59,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:59,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:59,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:59,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:59,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:59,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:59,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:59,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:59,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:59,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:59,175 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:59,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:59,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:59,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:59,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:59,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:59,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:59,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:59,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:59,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:59,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:59,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:59,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:59,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:59,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:59,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:59,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:59,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:59,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:59,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:59,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:59,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:59,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:59,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:59,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:59,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:59,185 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:59,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:59,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:59,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:59,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:59,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:59,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:59,488 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:59,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-09-11 20:53:00,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:01,138 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:01,139 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-09-11 20:53:01,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/040c80f52/5ce8db7594a44164b51eba6dfdb0b214/FLAG037515382 [2024-09-11 20:53:01,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/040c80f52/5ce8db7594a44164b51eba6dfdb0b214 [2024-09-11 20:53:01,529 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:01,530 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:01,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:53:01,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:01,573 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:01,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:01,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:01,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:01,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:01" (1/2) ... [2024-09-11 20:53:01,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b047693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01, skipping insertion in model container [2024-09-11 20:53:01,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:01" (1/2) ... [2024-09-11 20:53:01,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c120c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01, skipping insertion in model container [2024-09-11 20:53:01,581 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 08:53:01" (2/2) ... [2024-09-11 20:53:01,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b047693 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:01, skipping insertion in model container [2024-09-11 20:53:01,582 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 08:53:01" (2/2) ... [2024-09-11 20:53:01,589 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:01,589 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((y + ((__int128) y * y)) == (c + ((__int128) c * y))) && ((((__int128) 2 * c) + ((__int128) c * y)) == (((__int128) 2 * y) + ((__int128) y * y)))) && ((((__int128) k * y) == ((__int128) y * y)) || (c < k))) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4))) [2024-09-11 20:53:01,590 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:01,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:01,764 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/ps4-ll_valuebound20.c[458,471] [2024-09-11 20:53:01,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:01,798 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:01,837 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/ps4-ll_valuebound20.c[458,471] Start Parsing Local [2024-09-11 20:53:01,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:01,862 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:01,863 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:01 WrapperNode [2024-09-11 20:53:01,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:01,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:01,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:01,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:01,877 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,877 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,883 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,893 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 20:53:01,894 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,894 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,898 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,901 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,902 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,903 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:01,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:01,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:01,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:01,909 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 08:53:01" (1/1) ... [2024-09-11 20:53:01,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:01,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:01,943 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 20:53:01,948 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 20:53:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:02,156 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:02,159 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:02,293 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:02,334 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:02,335 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:02,353 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:02,354 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:02,354 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:02 BoogieIcfgContainer [2024-09-11 20:53:02,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:02,355 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:02,355 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:02,356 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:02,356 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:01" (1/4) ... [2024-09-11 20:53:02,357 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c91e51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,357 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 08:53:01" (2/4) ... [2024-09-11 20:53:02,357 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c91e51e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,357 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 08:53:01" (3/4) ... [2024-09-11 20:53:02,358 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c91e51e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,358 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 08:53:02" (4/4) ... [2024-09-11 20:53:02,359 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound20.c [2024-09-11 20:53:02,367 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:02,372 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 20:53:02,372 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 20:53:02,372 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 20:53:02,372 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 20:53:02,372 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 20:53:02,372 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 20:53:02,373 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:53:02,373 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, 3 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:02,426 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:02,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,431 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,462 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:02,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,468 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,502 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:02,526 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:02,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,527 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,527 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,527 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,534 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:02,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,535 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,538 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:02,553 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:02,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,560 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:02,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,560 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,561 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,566 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:02,585 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:02,586 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,586 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,609 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:02,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,610 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,610 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,624 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:02,635 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:02,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,641 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:02,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,643 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,643 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,643 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,644 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,647 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:02,664 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:02,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,667 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:02,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,670 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,670 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,672 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:02,683 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:02,683 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,683 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,683 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,683 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,705 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:02,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,706 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,706 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,709 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,712 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:02,716 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:02,716 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c91e51e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,717 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:02,720 INFO L158 Benchmark]: Toolchain (without parser) took 1144.24ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 82.0MB in the end (delta: 41.4MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-09-11 20:53:02,721 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:02,722 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 159.4MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:02,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.82ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 110.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:02,724 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:02,724 INFO L158 Benchmark]: RCFGBuilder took 446.97ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 116.9MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:53:02,725 INFO L158 Benchmark]: Referee took 361.71ms. Allocated memory is still 159.4MB. Free memory was 116.9MB in the beginning and 82.0MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:02,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.07ms. Allocated memory is still 159.4MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.82ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 110.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.97ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 116.9MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 361.71ms. Allocated memory is still 159.4MB. Free memory was 116.9MB in the beginning and 82.0MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:02,762 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/ps4-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-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 20:53:04,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:05,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:05,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:05,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:05,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:05,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:05,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:05,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:05,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:05,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:05,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:05,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:05,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:05,081 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:05,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:05,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:05,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:05,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:05,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:05,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:05,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:05,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:05,087 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:05,087 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:05,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:05,088 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:05,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:05,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:05,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:05,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:05,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:05,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:05,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:05,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:05,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:05,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:05,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:05,093 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:05,093 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:05,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:05,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:05,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:05,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:05,095 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:05,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:05,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:05,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:05,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:05,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:05,460 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:05,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-09-11 20:53:07,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:07,250 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:07,251 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-09-11 20:53:07,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bffba86b4/a8f3b336f4af4fe5a011c03bcf1fb774/FLAG489c480ed [2024-09-11 20:53:07,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bffba86b4/a8f3b336f4af4fe5a011c03bcf1fb774 [2024-09-11 20:53:07,622 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:07,622 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:07,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:53:07,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:07,680 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:07,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:07,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:07,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:07,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:07" (1/2) ... [2024-09-11 20:53:07,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14027c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:07" (1/2) ... [2024-09-11 20:53:07,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e5619aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,695 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 08:53:07" (2/2) ... [2024-09-11 20:53:07,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14027c23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,696 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 08:53:07" (2/2) ... [2024-09-11 20:53:07,707 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:07,708 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((y + ((__int128) y * y)) == (c + ((__int128) c * y))) && ((((__int128) 2 * c) + ((__int128) c * y)) == (((__int128) 2 * y) + ((__int128) y * y)))) && ((((__int128) k * y) == ((__int128) y * y)) || (c < k))) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4))) [2024-09-11 20:53:07,708 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:07,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:07,897 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/ps4-ll_valuebound20.c[458,471] [2024-09-11 20:53:07,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:07,934 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:07,992 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/ps4-ll_valuebound20.c[458,471] Start Parsing Local [2024-09-11 20:53:08,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:08,031 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:08,032 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:08 WrapperNode [2024-09-11 20:53:08,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:08,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:08,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:08,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:08,045 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,046 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,058 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,073 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 20:53:08,077 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,078 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,091 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,094 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,095 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,096 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:08,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:08,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:08,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:08,101 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 08:53:08" (1/1) ... [2024-09-11 20:53:08,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:08,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:08,131 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 20:53:08,134 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 20:53:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:08,258 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:08,261 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:17,248 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:17,397 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:17,398 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:17,428 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:17,428 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:17,428 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:17 BoogieIcfgContainer [2024-09-11 20:53:17,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:17,429 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:17,429 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:17,430 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:17,430 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:07" (1/4) ... [2024-09-11 20:53:17,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47de86c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:17, skipping insertion in model container [2024-09-11 20:53:17,431 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 08:53:07" (2/4) ... [2024-09-11 20:53:17,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47de86c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:17, skipping insertion in model container [2024-09-11 20:53:17,432 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 08:53:08" (3/4) ... [2024-09-11 20:53:17,432 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47de86c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:17, skipping insertion in model container [2024-09-11 20:53:17,432 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 08:53:17" (4/4) ... [2024-09-11 20:53:17,433 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound20.c [2024-09-11 20:53:17,437 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:17,438 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 20:53:17,438 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 20:53:17,438 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 20:53:17,438 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 20:53:17,438 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 20:53:17,439 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 20:53:17,439 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:53:17,439 INFO L130 InvariantChecker]: Will check 3 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:17,503 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:17,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:17,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:17,507 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:17,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:17,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,571 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:17,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:17,573 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:17,573 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:17,584 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:22,023 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:22,149 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:22,149 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:22,149 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:22,149 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:22,149 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:22,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:22,159 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:22,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:22,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:22,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:22,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:22,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:26,557 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:26,699 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:26,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:26,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:26,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:26,701 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:26,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:26,712 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:26,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:26,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:26,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:26,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:26,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:26,722 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:26,745 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:26,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:26,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:26,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:26,746 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:26,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:26,775 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:26,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:26,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:26,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:26,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:26,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:31,565 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:31,793 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:31,794 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:31,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:31,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:31,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:31,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:31,797 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:31,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:31,797 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:31,797 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:31,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:31,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:31,799 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:31,808 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:31,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:31,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:31,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:31,809 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:31,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:31,810 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:31,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:31,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:31,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:31,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:31,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:31,812 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:31,821 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:31,822 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:31,822 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:31,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:31,822 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:31,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:31,845 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:31,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:31,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:31,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:31,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:31,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:31,848 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:31,851 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:53:31,853 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47de86c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:31, skipping insertion in model container [2024-09-11 20:53:31,853 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:31,854 INFO L158 Benchmark]: Toolchain (without parser) took 24173.60ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 46.1MB in the end (delta: -1.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:31,855 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:31,855 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:31,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.38ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 50.2MB in the end (delta: -5.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-09-11 20:53:31,856 INFO L158 Benchmark]: Boogie Preprocessor took 65.53ms. Allocated memory is still 73.4MB. Free memory was 50.2MB in the beginning and 47.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:31,856 INFO L158 Benchmark]: RCFGBuilder took 9328.95ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 30.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:31,857 INFO L158 Benchmark]: Referee took 14423.77ms. Allocated memory is still 73.4MB. Free memory was 30.4MB in the beginning and 46.1MB in the end (delta: -15.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:31,862 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 27. 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 exit of procedure __VERIFIER_assert. 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 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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.38ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 50.2MB in the end (delta: -5.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.53ms. Allocated memory is still 73.4MB. Free memory was 50.2MB in the beginning and 47.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9328.95ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 30.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 14423.77ms. Allocated memory is still 73.4MB. Free memory was 30.4MB in the beginning and 46.1MB in the end (delta: -15.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:32,074 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