./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:41,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:41,121 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:41,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:41,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:41,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:41,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:41,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:41,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:41,164 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:41,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:41,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:41,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:41,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:41,169 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:41,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:41,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:41,170 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:41,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:41,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:41,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:41,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:41,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:41,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:41,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:41,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:41,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:41,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:41,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:41,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:41,177 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:41,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:41,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:41,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:41,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:41,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:41,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:41,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:41,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:41,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:41,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:41,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:41,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:41,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:41,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:41,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:41,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:41,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:41,425 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:41,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 20:11:42,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:43,100 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:43,101 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 20:11:43,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7b14d79e4/84cf20a75dc64eaba55f60a52b46cbe3/FLAGd9acbf4fa [2024-09-20 20:11:43,118 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7b14d79e4/84cf20a75dc64eaba55f60a52b46cbe3 [2024-09-20 20:11:43,120 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:43,123 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:43,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-20 20:11:43,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:43,172 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:43,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:43,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:43,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:43,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:43" (1/2) ... [2024-09-20 20:11:43,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2702dc15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:43" (1/2) ... [2024-09-20 20:11:43,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59599b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:43" (2/2) ... [2024-09-20 20:11:43,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2702dc15 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:43" (2/2) ... [2024-09-20 20:11:43,192 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:43,192 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 20:11:43,193 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:43,193 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:43,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:43,354 WARN L248 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/lcm2_valuebound50.c[537,550] [2024-09-20 20:11:43,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:43,385 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:43,423 WARN L248 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/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-20 20:11:43,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:43,459 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:43,459 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:43 WrapperNode [2024-09-20 20:11:43,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:43,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:43,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:43,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:43,501 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,501 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,510 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,526 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:11:43,527 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,527 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,535 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,540 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,562 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,567 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:43,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:43,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:43,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:43,573 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 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:43,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:43,607 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) [2024-09-20 20:11:43,609 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 [2024-09-20 20:11:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:43,718 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:43,720 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:43,937 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:43,965 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:43,990 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:43,990 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:43,993 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:43 BoogieIcfgContainer [2024-09-20 20:11:43,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:43,994 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:43,994 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:43,995 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:43,995 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:43" (1/4) ... [2024-09-20 20:11:43,995 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4287c8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,996 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:43" (2/4) ... [2024-09-20 20:11:43,996 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4287c8f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,996 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 20.09 08:11:43" (3/4) ... [2024-09-20 20:11:43,996 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4287c8f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,996 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:43" (4/4) ... [2024-09-20 20:11:43,997 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-20 20:11:44,000 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:44,001 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:44,001 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:44,001 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:44,001 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:44,001 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:44,002 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:44,002 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:44,002 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:11:44,061 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:44,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,064 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,075 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:44,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,080 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,099 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:44,138 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:44,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,172 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:44,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,173 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,173 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,173 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,181 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:44,201 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:44,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,202 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,207 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:44,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,208 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,213 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:48,228 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:48,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,229 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,232 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:48,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,232 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,232 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,233 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,236 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:48,246 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:48,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,247 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,248 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:48,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,249 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,252 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:48,263 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:48,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,275 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:48,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,280 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:48,293 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:48,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,322 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:48,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,323 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,323 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,332 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,338 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:52,345 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:52,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4287c8f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:52, skipping insertion in model container [2024-09-20 20:11:52,346 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:52,348 INFO L158 Benchmark]: Toolchain (without parser) took 9174.70ms. Allocated memory is still 182.5MB. Free memory was 113.2MB in the beginning and 92.0MB in the end (delta: 21.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:52,348 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:52,348 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:52,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 99.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:52,349 INFO L158 Benchmark]: Boogie Preprocessor took 107.64ms. Allocated memory is still 182.5MB. Free memory was 99.4MB in the beginning and 154.0MB in the end (delta: -54.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-09-20 20:11:52,350 INFO L158 Benchmark]: RCFGBuilder took 423.94ms. Allocated memory is still 182.5MB. Free memory was 154.0MB in the beginning and 137.2MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:52,350 INFO L158 Benchmark]: Referee took 8352.43ms. Allocated memory is still 182.5MB. Free memory was 137.2MB in the beginning and 92.0MB in the end (delta: 45.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:52,353 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 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 182.5MB. Free memory was 113.0MB in the beginning and 99.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.64ms. Allocated memory is still 182.5MB. Free memory was 99.4MB in the beginning and 154.0MB in the end (delta: -54.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 423.94ms. Allocated memory is still 182.5MB. Free memory was 154.0MB in the beginning and 137.2MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8352.43ms. Allocated memory is still 182.5MB. Free memory was 137.2MB in the beginning and 92.0MB in the end (delta: 45.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:52,377 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/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:54,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:54,632 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:54,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:54,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:54,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:54,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:54,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:54,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:54,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:54,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:54,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:54,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:54,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:54,665 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:54,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:54,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:54,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:54,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:54,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:54,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:54,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:54,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:54,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:54,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:54,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:54,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:54,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:54,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:54,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:54,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:54,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:54,672 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:54,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:54,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:54,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:54,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:54,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:54,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:54,675 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:54,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:54,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:54,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:54,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:54,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:54,677 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:54,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:54,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:55,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:55,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:55,010 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:55,011 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:55,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-20 20:11:55,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:55,071 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:55,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 20:11:56,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:56,841 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:56,841 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 20:11:56,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5eee49884/15526f35a1a24e53b5aac40b93762a01/FLAGb4dce5cc4 [2024-09-20 20:11:56,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5eee49884/15526f35a1a24e53b5aac40b93762a01 [2024-09-20 20:11:56,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:56,871 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:56,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:56,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:56,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:56,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:55" (1/2) ... [2024-09-20 20:11:56,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0acf65 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:56, skipping insertion in model container [2024-09-20 20:11:56,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:55" (1/2) ... [2024-09-20 20:11:56,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@666d7944 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:56, skipping insertion in model container [2024-09-20 20:11:56,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:56" (2/2) ... [2024-09-20 20:11:56,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0acf65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:56, skipping insertion in model container [2024-09-20 20:11:56,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:56" (2/2) ... [2024-09-20 20:11:56,894 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:56,895 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 20:11:56,895 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:56,895 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:56,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:57,092 WARN L248 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/lcm2_valuebound50.c[537,550] [2024-09-20 20:11:57,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:57,132 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:57,172 WARN L248 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/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-20 20:11:57,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:57,211 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:57,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57 WrapperNode [2024-09-20 20:11:57,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:57,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:57,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:57,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:57,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,253 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:11:57,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:57,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:57,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:57,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:57,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (1/1) ... [2024-09-20 20:11:57,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:57,315 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) [2024-09-20 20:11:57,322 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 [2024-09-20 20:11:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:57,450 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:57,453 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:57,979 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:57,996 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:58,026 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:58,028 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:58,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:58 BoogieIcfgContainer [2024-09-20 20:11:58,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:58,029 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:58,029 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:58,030 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:58,030 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:55" (1/4) ... [2024-09-20 20:11:58,031 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f5f346a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:58, skipping insertion in model container [2024-09-20 20:11:58,032 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:56" (2/4) ... [2024-09-20 20:11:58,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f5f346a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:58, skipping insertion in model container [2024-09-20 20:11:58,033 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:57" (3/4) ... [2024-09-20 20:11:58,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f5f346a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:58, skipping insertion in model container [2024-09-20 20:11:58,033 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:58" (4/4) ... [2024-09-20 20:11:58,034 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-20 20:11:58,042 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:58,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:58,043 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:58,043 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:58,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:58,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:58,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:58,044 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:58,044 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:11:58,105 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:58,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:58,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:58,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:58,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:58,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,131 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:58,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:58,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:58,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:58,138 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:58,157 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:58,183 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:58,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:58,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:58,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:58,184 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:58,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,197 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:58,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:58,197 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:58,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:58,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:58,200 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:58,243 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:58,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:58,244 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:58,244 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:58,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:58,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,251 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:58,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,254 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:58,254 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:58,254 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:58,254 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:02,310 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:12:02,349 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:12:02,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:02,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:02,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:02,350 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:02,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,353 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:12:02,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,354 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:02,354 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:02,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:02,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:02,361 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:02,382 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:02,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:02,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:02,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:02,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:02,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,384 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:02,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,384 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:02,385 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:02,385 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:02,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:02,390 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:12:02,408 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:12:02,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:02,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:02,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:02,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:02,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,428 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:12:02,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:02,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:02,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:02,429 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:02,713 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:02,729 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:12:02,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:02,729 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:02,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:02,729 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:02,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,757 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:12:02,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:02,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:02,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:02,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:02,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:06,855 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:12:06,884 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:12:06,884 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f5f346a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:06, skipping insertion in model container [2024-09-20 20:12:06,884 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:06,886 INFO L158 Benchmark]: Toolchain (without parser) took 10015.07ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 65.1MB in the end (delta: -24.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-20 20:12:06,886 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:06,887 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:06,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.00ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 43.8MB in the end (delta: -3.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-09-20 20:12:06,888 INFO L158 Benchmark]: Boogie Preprocessor took 70.65ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 41.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:12:06,888 INFO L158 Benchmark]: RCFGBuilder took 744.17ms. Allocated memory is still 73.4MB. Free memory was 41.4MB in the beginning and 45.1MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:12:06,889 INFO L158 Benchmark]: Referee took 8855.15ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 65.1MB in the end (delta: -20.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:06,892 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 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 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 check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.00ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 43.8MB in the end (delta: -3.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.65ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 41.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.17ms. Allocated memory is still 73.4MB. Free memory was 41.4MB in the beginning and 45.1MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8855.15ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 65.1MB in the end (delta: -20.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:12:06,932 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