./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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-5189fb6-m [2024-09-13 05:08:27,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:27,284 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:08:27,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:27,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:27,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:27,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:27,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:27,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:27,324 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:27,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:27,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:27,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:27,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:27,328 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:27,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:27,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:27,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:27,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:08:27,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:27,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:27,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:27,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:27,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:27,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:27,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:27,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:27,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:27,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:27,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:27,335 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:27,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:27,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:27,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:27,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:27,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:27,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:27,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:08:27,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:08:27,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:27,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:27,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:27,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:27,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:27,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:27,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:27,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:27,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:27,652 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:27,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-13 05:08:28,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:29,143 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:29,144 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-13 05:08:29,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/76e2bca1b/73a1a597f81f4395abc0817069b89c06/FLAGea77ddaa6 [2024-09-13 05:08:29,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/76e2bca1b/73a1a597f81f4395abc0817069b89c06 [2024-09-13 05:08:29,165 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:29,166 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:29,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-13 05:08:29,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:29,225 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:29,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:29,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:29,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:29,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:29" (1/2) ... [2024-09-13 05:08:29,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7759c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:29" (1/2) ... [2024-09-13 05:08:29,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67b84c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:29" (2/2) ... [2024-09-13 05:08:29,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7759c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:29" (2/2) ... [2024-09-13 05:08:29,245 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:29,246 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 05:08:29,246 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:29,248 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:29,248 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:29,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:29,415 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/lcm2_unwindbound1.c[537,550] [2024-09-13 05:08:29,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:29,449 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:29,483 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/lcm2_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:29,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:29,513 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:29,514 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:29 WrapperNode [2024-09-13 05:08:29,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:29,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:29,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:29,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:29,528 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,529 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,535 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,545 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 [2024-09-13 05:08:29,545 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,545 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,550 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,553 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,554 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,555 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:29,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:29,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:29,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:29,560 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:29,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:29,587 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) [2024-09-13 05:08:29,588 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 [2024-09-13 05:08:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:08:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:08:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:08:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:29,691 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:29,693 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:29,719 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:29,782 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:29,933 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:29,948 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:29,973 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:29,973 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:29,973 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:29 BoogieIcfgContainer [2024-09-13 05:08:29,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:29,974 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:29,974 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:29,975 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:29,975 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:29" (1/4) ... [2024-09-13 05:08:29,976 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29c24c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,976 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:29" (2/4) ... [2024-09-13 05:08:29,976 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29c24c0a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,976 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 13.09 05:08:29" (3/4) ... [2024-09-13 05:08:29,976 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29c24c0a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,977 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:29" (4/4) ... [2024-09-13 05:08:29,979 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-13 05:08:29,982 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:29,982 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:29,983 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:29,983 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:29,983 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:29,983 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:29,983 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:08:29,983 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:08:29,983 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:29,984 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:29,984 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:29,984 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:29,984 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:08:29,984 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:08:29,984 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:08:30,038 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:30,042 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:30,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:30,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:30,046 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:30,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:30,059 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:30,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:30,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:30,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:30,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:30,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:30,082 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:30,114 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:30,115 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:30,115 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:30,115 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:30,115 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:30,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:30,117 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:30,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:30,118 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:30,118 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:30,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:30,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:30,121 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:30,154 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:30,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:30,155 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:30,155 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:30,155 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:30,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:30,172 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:30,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:30,172 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:30,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:30,173 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:30,173 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,182 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:34,201 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:34,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,202 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:34,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,209 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:34,223 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:34,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,226 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:34,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,227 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,227 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,227 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,227 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,229 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:34,243 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:34,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,282 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:34,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,284 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,285 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:34,299 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:34,300 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,300 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,300 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,300 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,323 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:34,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,335 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:38,355 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:38,355 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,358 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:38,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,359 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,359 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,359 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,361 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:38,375 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:38,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,379 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:38,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,384 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:38,396 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:38,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,399 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:38,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,402 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:38,412 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:38,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,414 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,414 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,416 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:38,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,419 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:38,431 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:38,431 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,431 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,431 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,432 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,436 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:38,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,439 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:38,450 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:38,451 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,451 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,477 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:38,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,478 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,478 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:42,503 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:42,511 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:42,511 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29c24c0a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:42, skipping insertion in model container [2024-09-13 05:08:42,512 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:42,513 INFO L158 Benchmark]: Toolchain (without parser) took 13287.34ms. Allocated memory is still 163.6MB. Free memory was 126.7MB in the beginning and 52.1MB in the end (delta: 74.6MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-09-13 05:08:42,514 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:42,514 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:42,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 163.6MB. Free memory was 126.7MB in the beginning and 112.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:08:42,516 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:42,517 INFO L158 Benchmark]: RCFGBuilder took 415.12ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 124.4MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:08:42,518 INFO L158 Benchmark]: Referee took 12537.88ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 52.1MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-13 05:08:42,521 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 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. 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 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 check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 163.6MB. Free memory was 126.7MB in the beginning and 112.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.12ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 124.4MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12537.88ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 52.1MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:42,548 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_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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-5189fb6-m [2024-09-13 05:08:44,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:44,685 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:08:44,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:44,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:44,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:44,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:44,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:44,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:44,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:44,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:44,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:44,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:44,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:44,727 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:44,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:44,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:44,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:44,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:44,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:44,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:44,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:44,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:44,733 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:08:44,733 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:08:44,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:44,734 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:08:44,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:44,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:44,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:44,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:44,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:44,735 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:44,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:44,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:44,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:44,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:44,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:44,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:44,738 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:08:44,738 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:08:44,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:44,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:44,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:44,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:44,739 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:08:44,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:45,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:45,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:45,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:45,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:45,068 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:45,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-13 05:08:46,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:46,811 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:46,814 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-13 05:08:46,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c76da7372/55fb043803e14c5c8bedbe5311995231/FLAG09614d87f [2024-09-13 05:08:47,199 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c76da7372/55fb043803e14c5c8bedbe5311995231 [2024-09-13 05:08:47,202 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:47,203 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:47,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-13 05:08:47,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:47,260 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:47,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:47,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:47,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:47,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:47" (1/2) ... [2024-09-13 05:08:47,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21824dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:47, skipping insertion in model container [2024-09-13 05:08:47,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:47" (1/2) ... [2024-09-13 05:08:47,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45face79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:47, skipping insertion in model container [2024-09-13 05:08:47,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:47" (2/2) ... [2024-09-13 05:08:47,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21824dc0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:47, skipping insertion in model container [2024-09-13 05:08:47,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:47" (2/2) ... [2024-09-13 05:08:47,281 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:47,282 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 05:08:47,282 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:47,282 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:47,282 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:47,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:47,483 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/lcm2_unwindbound1.c[537,550] [2024-09-13 05:08:47,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:47,517 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:47,556 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/lcm2_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:47,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:47,591 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:47,592 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:47 WrapperNode [2024-09-13 05:08:47,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:47,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:47,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:47,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:47,605 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,605 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,616 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,631 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 [2024-09-13 05:08:47,631 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,631 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,641 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,644 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,649 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,650 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:47,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:47,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:47,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:47,657 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 13.09 05:08:47" (1/1) ... [2024-09-13 05:08:47,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:47,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:47,684 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) [2024-09-13 05:08:47,688 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 [2024-09-13 05:08:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:08:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:08:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:08:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:47,797 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:47,799 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:47,821 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:47,852 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:48,139 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:48,166 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:48,207 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:48,207 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:48,208 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:48 BoogieIcfgContainer [2024-09-13 05:08:48,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:48,208 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:48,208 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:48,209 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:48,213 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:47" (1/4) ... [2024-09-13 05:08:48,214 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22cfde6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:48, skipping insertion in model container [2024-09-13 05:08:48,214 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:47" (2/4) ... [2024-09-13 05:08:48,214 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22cfde6a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:48, skipping insertion in model container [2024-09-13 05:08:48,214 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 13.09 05:08:47" (3/4) ... [2024-09-13 05:08:48,215 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22cfde6a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:48, skipping insertion in model container [2024-09-13 05:08:48,215 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:48" (4/4) ... [2024-09-13 05:08:48,216 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-13 05:08:48,219 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:48,220 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:48,220 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:48,220 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:48,221 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:48,221 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:48,221 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:08:48,221 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:08:48,221 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:48,222 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:48,222 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:48,222 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:48,222 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:08:48,222 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:08:48,223 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-13 05:08:48,271 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:48,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,274 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,287 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:48,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,316 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:48,346 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:48,346 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,349 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:48,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,352 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,352 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,353 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,354 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:48,383 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:48,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,399 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:48,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,401 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,401 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,435 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:48,482 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:48,483 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,483 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,485 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:48,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,487 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:48,502 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:48,502 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,503 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,503 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,503 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,505 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:48,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,505 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,507 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:48,521 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:48,522 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,554 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:48,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,556 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,558 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:48,573 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:48,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,573 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,573 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,587 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:48,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,587 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,588 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,591 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,620 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:48,637 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:48,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,640 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:48,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,641 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,642 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:48,656 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:48,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,660 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:48,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,662 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,663 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:48,674 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:48,674 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,674 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,676 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:48,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,676 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,676 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,676 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,676 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,677 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:48,687 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:48,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,688 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,691 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:48,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,692 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,692 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,692 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,692 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:48,694 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:48,705 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:48,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:48,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:48,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:48,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:48,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,711 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:48,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:48,711 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:48,711 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:48,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:48,712 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:52,725 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:52,738 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:52,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:52,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:52,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:52,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:52,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:52,755 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:52,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:52,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:52,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:52,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:52,760 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:56,805 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:56,822 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:56,823 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22cfde6a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:56, skipping insertion in model container [2024-09-13 05:08:56,823 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:56,825 INFO L158 Benchmark]: Toolchain (without parser) took 9564.49ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 35.1MB in the beginning and 35.3MB in the end (delta: -152.2kB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-13 05:08:56,825 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:56,825 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:56,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.16ms. Allocated memory is still 67.1MB. Free memory was 34.9MB in the beginning and 42.1MB in the end (delta: -7.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-13 05:08:56,826 INFO L158 Benchmark]: Boogie Preprocessor took 60.04ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 39.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:56,827 INFO L158 Benchmark]: RCFGBuilder took 552.55ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 43.0MB in the end (delta: -3.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-13 05:08:56,828 INFO L158 Benchmark]: Referee took 8615.01ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 35.9MB in the end (delta: 7.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-09-13 05:08:56,830 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 entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.16ms. Allocated memory is still 67.1MB. Free memory was 34.9MB in the beginning and 42.1MB in the end (delta: -7.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.04ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 39.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.55ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 43.0MB in the end (delta: -3.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Referee took 8615.01ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 35.9MB in the end (delta: 7.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:56,868 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