./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:12,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:12,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:12,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:12,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:12,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:12,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:12,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:12,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:12,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:12,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:12,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:12,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:12,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:12,407 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:12,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:12,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:12,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:12,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:12,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:12,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:12,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:12,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:12,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:12,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:12,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:12,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:12,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:12,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:12,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:12,412 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:12,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:12,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:12,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:12,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:12,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:12,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:12,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:12,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:12,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:12,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:12,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:12,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:12,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:12,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:12,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:12,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:12,728 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:12,729 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:12,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-25 11:48:12,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:12,783 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:12,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 11:48:14,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:14,398 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:14,399 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 11:48:14,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f754f7f2e/dd64de287f52435ebca91ec0783badcd/FLAG98c04163a [2024-09-25 11:48:14,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f754f7f2e/dd64de287f52435ebca91ec0783badcd [2024-09-25 11:48:14,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:14,802 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:14,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:14,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:14,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:14,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:12" (1/2) ... [2024-09-25 11:48:14,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458dfe1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:14, skipping insertion in model container [2024-09-25 11:48:14,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:12" (1/2) ... [2024-09-25 11:48:14,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e55856e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:14, skipping insertion in model container [2024-09-25 11:48:14,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:14" (2/2) ... [2024-09-25 11:48:14,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458dfe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14, skipping insertion in model container [2024-09-25 11:48:14,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:14" (2/2) ... [2024-09-25 11:48:14,825 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:14,825 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 11:48:14,826 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:14,826 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:14,826 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:14,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:15,012 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-09-25 11:48:15,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:15,048 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:15,091 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:15,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:15,116 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:15,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15 WrapperNode [2024-09-25 11:48:15,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:15,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:15,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:15,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:15,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,166 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 [2024-09-25 11:48:15,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:15,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:15,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:15,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:15,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:15,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:15,245 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) [2024-09-25 11:48:15,253 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 [2024-09-25 11:48:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:15,357 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:15,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:15,405 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,425 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,625 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,639 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:15,664 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:15,664 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:15,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:15 BoogieIcfgContainer [2024-09-25 11:48:15,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:15,665 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:15,666 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:15,666 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:15,667 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:12" (1/4) ... [2024-09-25 11:48:15,667 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5353e48e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,667 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:14" (2/4) ... [2024-09-25 11:48:15,667 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5353e48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,668 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (3/4) ... [2024-09-25 11:48:15,668 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5353e48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,668 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:15" (4/4) ... [2024-09-25 11:48:15,669 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-25 11:48:15,673 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:15,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:15,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:15,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:15,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:15,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:15,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:15,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:15,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:15,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:15,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:15,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:15,678 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:15,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:15,678 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-25 11:48:15,731 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:15,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:15,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:15,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:15,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:15,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,747 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:15,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:15,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:15,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:15,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:15,781 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:15,820 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:15,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:15,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:15,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:15,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:15,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,825 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:15,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:15,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:15,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:15,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:15,831 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:15,862 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:15,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:15,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:15,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:15,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:15,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,883 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:15,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:15,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:15,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:15,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,893 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:19,909 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:19,909 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,909 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,909 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,909 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,910 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:19,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,911 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,911 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,920 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:19,932 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:19,933 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,933 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,933 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,933 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,935 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:19,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,937 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:19,950 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:19,950 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,951 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,951 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,979 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:19,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,984 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:19,997 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:19,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,998 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,021 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:20,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,029 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,039 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:24,058 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,060 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,061 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,063 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,069 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,081 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:24,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,085 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:24,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,089 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:24,100 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,101 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,102 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,103 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,105 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:24,118 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:24,118 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,118 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,118 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,121 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:24,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,123 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,133 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:24,133 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,134 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,138 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:24,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,139 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,139 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,141 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,167 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:24,171 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,171 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,213 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:24,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,227 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:28,233 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:28,233 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5353e48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:28, skipping insertion in model container [2024-09-25 11:48:28,233 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:28,235 INFO L158 Benchmark]: Toolchain (without parser) took 13432.79ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 99.5MB in the beginning and 143.4MB in the end (delta: -43.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,235 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,236 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.64ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 85.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,237 INFO L158 Benchmark]: Boogie Preprocessor took 70.62ms. Allocated memory is still 153.1MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,237 INFO L158 Benchmark]: RCFGBuilder took 475.43ms. Allocated memory is still 153.1MB. Free memory was 83.1MB in the beginning and 112.1MB in the end (delta: -29.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,238 INFO L158 Benchmark]: Referee took 12568.13ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 112.1MB in the beginning and 143.4MB in the end (delta: -31.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,241 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 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. 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 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 main to loop head at line 36. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.64ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 85.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.62ms. Allocated memory is still 153.1MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.43ms. Allocated memory is still 153.1MB. Free memory was 83.1MB in the beginning and 112.1MB in the end (delta: -29.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 12568.13ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 112.1MB in the beginning and 143.4MB in the end (delta: -31.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:28,272 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:30,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:30,423 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:30,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:30,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:30,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:30,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:30,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:30,463 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:30,465 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:30,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:30,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:30,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:30,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:30,470 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:30,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:30,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:30,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:30,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:30,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:30,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:30,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:30,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:30,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:30,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:30,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:30,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:30,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:30,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:30,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:30,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:30,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:30,475 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:30,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:30,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:30,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:30,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:30,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:30,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:30,481 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:30,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:30,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:30,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:30,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:30,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:30,482 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:30,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:30,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:30,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:30,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:30,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:30,821 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:30,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 11:48:32,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:32,421 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:32,421 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 11:48:32,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ba2e3d5e1/58d9b23054664f51911fcde5994be5df/FLAG2eeec9643 [2024-09-25 11:48:32,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ba2e3d5e1/58d9b23054664f51911fcde5994be5df [2024-09-25 11:48:32,448 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:32,449 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:32,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-25 11:48:32,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:32,504 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:32,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:32,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:32,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:32,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:32" (1/2) ... [2024-09-25 11:48:32,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5514c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:32" (1/2) ... [2024-09-25 11:48:32,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51659bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:32" (2/2) ... [2024-09-25 11:48:32,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5514c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:32" (2/2) ... [2024-09-25 11:48:32,535 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:32,536 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 11:48:32,536 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:32,536 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:32,536 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:32,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:32,725 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-09-25 11:48:32,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:32,764 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:32,815 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:32,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:32,852 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:32,853 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32 WrapperNode [2024-09-25 11:48:32,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:32,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:32,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:32,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:32,868 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,868 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,876 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,888 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 [2024-09-25 11:48:32,888 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,888 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,897 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,902 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,904 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,906 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:32,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:32,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:32,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:32,914 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 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:32,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:32,942 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) [2024-09-25 11:48:32,949 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 [2024-09-25 11:48:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:33,069 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:33,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:33,093 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:33,131 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:33,701 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:33,730 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:33,766 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:33,766 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:33,767 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:33 BoogieIcfgContainer [2024-09-25 11:48:33,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:33,767 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:33,767 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:33,768 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:33,768 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:32" (1/4) ... [2024-09-25 11:48:33,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c46d916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,769 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:32" (2/4) ... [2024-09-25 11:48:33,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c46d916 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,769 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 25.09 11:48:32" (3/4) ... [2024-09-25 11:48:33,770 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c46d916 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,770 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:33" (4/4) ... [2024-09-25 11:48:33,771 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-25 11:48:33,774 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:33,776 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:33,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:33,777 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:33,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:33,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:33,778 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:33,778 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:33,778 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:33,778 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:33,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:33,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:33,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:33,780 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:33,780 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:33,834 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:33,835 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:33,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:33,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:33,837 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:33,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,851 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:33,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:33,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:33,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:33,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:33,869 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:33,886 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:33,887 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:33,887 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:33,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:33,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:33,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,890 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:33,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:33,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:33,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:33,890 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:33,892 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:33,908 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:33,909 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:33,909 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:33,909 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:33,909 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:33,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,922 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:33,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:33,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:33,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:33,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,987 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:38,022 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:38,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,023 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,023 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,024 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:38,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,027 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:38,052 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:38,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,057 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:38,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,058 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,060 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:38,079 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:38,080 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,080 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,114 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:38,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,115 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,115 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,120 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:38,140 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:38,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,156 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:38,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,158 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,208 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:42,240 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:42,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,241 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:42,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,244 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,258 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:42,258 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,261 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:42,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,265 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:42,279 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:42,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,280 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,280 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,282 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:42,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,283 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,285 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:42,294 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:42,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,295 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,297 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:42,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,299 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,301 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,311 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:42,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,317 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:42,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,318 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:46,346 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:46,367 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:46,367 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:46,368 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:46,368 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:46,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:46,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:46,393 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:46,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:46,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:46,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:46,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:46,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:50,491 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:50,521 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:50,522 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c46d916 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:50, skipping insertion in model container [2024-09-25 11:48:50,523 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:50,524 INFO L158 Benchmark]: Toolchain (without parser) took 18019.73ms. Allocated memory is still 73.4MB. Free memory was 36.8MB in the beginning and 29.3MB in the end (delta: 7.5MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,525 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:50,526 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:50,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.40ms. Allocated memory is still 73.4MB. Free memory was 36.6MB in the beginning and 40.3MB in the end (delta: -3.7MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,528 INFO L158 Benchmark]: Boogie Preprocessor took 56.66ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,528 INFO L158 Benchmark]: RCFGBuilder took 854.20ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 48.5MB in the end (delta: -10.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,528 INFO L158 Benchmark]: Referee took 16755.36ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 29.3MB in the end (delta: 19.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,531 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 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. 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 entry of procedure main to check that procedure precondition always holds at line 28. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure 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 ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.40ms. Allocated memory is still 73.4MB. Free memory was 36.6MB in the beginning and 40.3MB in the end (delta: -3.7MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.66ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 854.20ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 48.5MB in the end (delta: -10.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Referee took 16755.36ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 29.3MB in the end (delta: 19.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:50,582 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