./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:53,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:53,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:53,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:53,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:53,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:53,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:53,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:53,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:53,195 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:53,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:53,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:53,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:53,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:53,201 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:53,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:53,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:53,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:53,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:53,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:53,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:53,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:53,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:53,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:53,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:53,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:53,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:53,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:53,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:53,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:53,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:53,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:53,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:53,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:53,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:53,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:53,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:53,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:53,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:53,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:53,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:53,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:53,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:53,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:53,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:53,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:53,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:53,487 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:53,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2024-09-11 20:52:55,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:55,216 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:55,216 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2024-09-11 20:52:55,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd3a9a05c/3f2ee9bb48bd429fa3ff7b98d86eb1d9/FLAGf46357fc5 [2024-09-11 20:52:55,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd3a9a05c/3f2ee9bb48bd429fa3ff7b98d86eb1d9 [2024-09-11 20:52:55,620 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:55,620 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:55,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:52:55,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:55,676 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:55,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:55,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:55,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:55,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:55" (1/2) ... [2024-09-11 20:52:55,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cae195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:55, skipping insertion in model container [2024-09-11 20:52:55,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:55" (1/2) ... [2024-09-11 20:52:55,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@224e430a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:55, skipping insertion in model container [2024-09-11 20:52:55,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:55" (2/2) ... [2024-09-11 20:52:55,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cae195 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:55, skipping insertion in model container [2024-09-11 20:52:55,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:55" (2/2) ... [2024-09-11 20:52:55,698 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:55,700 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 20:52:55,700 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:55,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:55,901 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_valuebound10.c[458,471] [2024-09-11 20:52:55,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:55,939 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:55,979 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_valuebound10.c[458,471] Start Parsing Local [2024-09-11 20:52:55,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:56,014 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:56,015 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56 WrapperNode [2024-09-11 20:52:56,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:56,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:56,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:56,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:56,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,037 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,046 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:52:56,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:56,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:56,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:56,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:56,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (1/1) ... [2024-09-11 20:52:56,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:56,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:56,094 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 20:52:56,096 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 20:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:56,197 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:56,199 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:56,326 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:56,383 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:56,384 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:56,403 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:56,403 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:56,404 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:56 BoogieIcfgContainer [2024-09-11 20:52:56,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:56,404 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:56,404 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:56,405 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:56,407 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:55" (1/4) ... [2024-09-11 20:52:56,408 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@185a3f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:56, skipping insertion in model container [2024-09-11 20:52:56,408 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:55" (2/4) ... [2024-09-11 20:52:56,408 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@185a3f2e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:56, skipping insertion in model container [2024-09-11 20:52:56,408 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:56" (3/4) ... [2024-09-11 20:52:56,408 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@185a3f2e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:56, skipping insertion in model container [2024-09-11 20:52:56,408 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:56" (4/4) ... [2024-09-11 20:52:56,410 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound10.c [2024-09-11 20:52:56,417 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:56,418 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:56,418 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:56,418 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:56,422 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:56,422 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 20:52:56,423 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 20:52:56,423 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 20:52:56,423 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head 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 20:52:56,489 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:56,490 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,496 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,560 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:56,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,562 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,574 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,598 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:56,617 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:56,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,630 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:56,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,635 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,635 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,638 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:56,656 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:56,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,668 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:56,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,675 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:56,689 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:56,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,721 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:56,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,722 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,722 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,722 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,722 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,734 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:56,752 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:56,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,757 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:56,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,757 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,759 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,761 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:56,774 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:56,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,777 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:56,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,779 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,782 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:56,805 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:56,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,828 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:52:56,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,836 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:56,840 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:56,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@185a3f2e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:56, skipping insertion in model container [2024-09-11 20:52:56,841 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:56,843 INFO L158 Benchmark]: Toolchain (without parser) took 1166.25ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 90.1MB in the beginning and 155.1MB in the end (delta: -65.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,844 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:56,844 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:56,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.01ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 76.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,846 INFO L158 Benchmark]: Boogie Preprocessor took 49.24ms. Allocated memory is still 148.9MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,847 INFO L158 Benchmark]: RCFGBuilder took 337.21ms. Allocated memory is still 148.9MB. Free memory was 74.5MB in the beginning and 59.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,848 INFO L158 Benchmark]: Referee took 436.90ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 59.4MB in the beginning and 155.1MB in the end (delta: -95.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,851 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 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 28. 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 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 27. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.01ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 76.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.24ms. Allocated memory is still 148.9MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.21ms. Allocated memory is still 148.9MB. Free memory was 74.5MB in the beginning and 59.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 436.90ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 59.4MB in the beginning and 155.1MB in the end (delta: -95.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:56,881 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_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:59,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:59,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:59,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:59,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:59,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:59,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:59,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:59,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:59,337 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:59,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:59,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:59,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:59,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:59,339 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:59,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:59,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:59,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:59,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:59,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:59,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:59,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:59,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:59,350 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:59,350 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:59,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:59,350 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:59,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:59,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:59,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:59,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:59,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:59,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:59,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:59,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:59,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:59,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:59,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:59,357 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:59,357 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:59,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:59,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:59,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:59,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:59,359 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:59,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:59,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:59,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:59,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:59,739 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:59,740 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:59,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:52:59,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:59,809 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:59,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2024-09-11 20:53:01,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:01,529 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:01,529 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2024-09-11 20:53:01,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0cda0fdcd/4bec3b565c7c48938db604892e7f5db3/FLAG70bb7938b [2024-09-11 20:53:01,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0cda0fdcd/4bec3b565c7c48938db604892e7f5db3 [2024-09-11 20:53:01,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:01,557 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:01,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:01,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:01,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:01,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:59" (1/2) ... [2024-09-11 20:53:01,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7387cc3e 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 20:53:01,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:59" (1/2) ... [2024-09-11 20:53:01,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61c99a48 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 20:53:01,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:01" (2/2) ... [2024-09-11 20:53:01,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7387cc3e 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 20:53:01,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:01" (2/2) ... [2024-09-11 20:53:01,582 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:01,583 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 20:53:01,583 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:01,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:01,775 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_valuebound10.c[458,471] [2024-09-11 20:53:01,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:01,816 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:01,856 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_valuebound10.c[458,471] Start Parsing Local [2024-09-11 20:53:01,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:01,905 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:01,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01 WrapperNode [2024-09-11 20:53:01,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:01,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:01,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:01,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:01,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,939 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 20:53:01,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:01,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:01,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:01,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:01,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (1/1) ... [2024-09-11 20:53:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:01,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:02,000 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 20:53:02,002 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 20:53:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:02,144 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:02,146 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:11,149 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:11,303 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:11,303 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:11,336 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:11,337 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:11,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:11 BoogieIcfgContainer [2024-09-11 20:53:11,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:11,342 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:11,342 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:11,343 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:11,343 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:59" (1/4) ... [2024-09-11 20:53:11,344 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10276964 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:11, skipping insertion in model container [2024-09-11 20:53:11,344 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:01" (2/4) ... [2024-09-11 20:53:11,344 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10276964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:11, skipping insertion in model container [2024-09-11 20:53:11,346 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:01" (3/4) ... [2024-09-11 20:53:11,347 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10276964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:11, skipping insertion in model container [2024-09-11 20:53:11,347 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:11" (4/4) ... [2024-09-11 20:53:11,348 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound10.c [2024-09-11 20:53:11,356 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:11,357 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 20:53:11,357 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 20:53:11,357 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 20:53:11,357 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 20:53:11,357 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 20:53:11,359 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 20:53:11,359 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 20:53:11,360 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-11 20:53:11,415 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:11,417 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:11,417 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:11,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:11,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:11,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:11,490 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:11,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:11,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:11,492 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:11,492 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:11,507 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:15,940 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:16,081 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:16,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:16,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:16,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:16,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:16,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:16,091 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:16,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:16,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:16,092 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:16,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:16,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:20,525 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:20,693 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:20,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:20,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:20,695 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:20,695 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:20,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:20,706 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:20,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:20,707 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:20,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:20,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:20,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:20,717 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:20,733 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:20,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:20,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:20,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:20,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:20,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:20,759 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:20,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:20,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:20,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:20,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:20,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:25,605 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:25,844 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:25,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:25,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:25,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:25,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:25,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:25,848 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:25,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:25,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:25,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:25,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:25,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:25,853 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:25,864 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:25,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:25,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:25,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:25,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:25,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:25,866 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:25,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:25,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:25,866 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:25,866 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:25,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:25,869 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:25,882 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:25,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:25,883 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:25,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:25,883 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:25,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:25,900 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:25,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:25,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:25,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:25,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:25,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:25,903 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:25,906 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:53:25,907 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10276964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:25, skipping insertion in model container [2024-09-11 20:53:25,907 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:25,908 INFO L158 Benchmark]: Toolchain (without parser) took 24350.80ms. Allocated memory is still 81.8MB. Free memory was 58.9MB in the beginning and 49.2MB in the end (delta: 9.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-09-11 20:53:25,909 INFO L158 Benchmark]: Witness Parser took 1.15ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:25,909 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:25,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.56ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:25,910 INFO L158 Benchmark]: Boogie Preprocessor took 61.72ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:25,911 INFO L158 Benchmark]: RCFGBuilder took 9372.13ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 47.5MB in the end (delta: -5.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:25,911 INFO L158 Benchmark]: Referee took 14564.89ms. Allocated memory is still 81.8MB. Free memory was 47.5MB in the beginning and 49.2MB in the end (delta: -1.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:25,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to 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 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.15ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.56ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.72ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9372.13ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 47.5MB in the end (delta: -5.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Referee took 14564.89ms. Allocated memory is still 81.8MB. Free memory was 47.5MB in the beginning and 49.2MB in the end (delta: -1.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:26,124 WARN L435 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-09-11 20:53:26,156 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN