./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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-de32597-m [2024-09-17 19:41:10,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:41:11,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:41:11,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:41:11,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:41:11,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:41:11,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:41:11,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:41:11,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:41:11,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:41:11,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:41:11,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:41:11,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:41:11,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:41:11,045 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:41:11,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:41:11,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:41:11,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:41:11,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:41:11,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:41:11,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:41:11,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:41:11,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:41:11,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:41:11,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:41:11,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:41:11,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:41:11,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:41:11,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:41:11,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:41:11,055 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:41:11,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:41:11,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:41:11,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:11,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:41:11,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:41:11,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:41:11,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:41:11,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:41:11,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:41:11,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:41:11,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:41:11,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:41:11,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:41:11,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:41:11,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:41:11,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:41:11,320 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:41:11,321 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:41:11,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-17 19:41:11,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:41:11,416 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:41:11,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-17 19:41:12,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:41:13,046 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:41:13,047 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-17 19:41:13,055 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9825a30ab/30a61b0b8e1e49d480b71b93b81f3e0c/FLAGa725c856a [2024-09-17 19:41:13,069 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9825a30ab/30a61b0b8e1e49d480b71b93b81f3e0c [2024-09-17 19:41:13,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:41:13,071 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:41:13,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:13,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:41:13,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:41:13,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:11" (1/2) ... [2024-09-17 19:41:13,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647ef69 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:13, skipping insertion in model container [2024-09-17 19:41:13,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:11" (1/2) ... [2024-09-17 19:41:13,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c97862c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:13, skipping insertion in model container [2024-09-17 19:41:13,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:13" (2/2) ... [2024-09-17 19:41:13,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647ef69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13, skipping insertion in model container [2024-09-17 19:41:13,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:13" (2/2) ... [2024-09-17 19:41:13,088 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:41:13,089 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-17 19:41:13,089 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-17 19:41:13,089 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-17 19:41:13,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:41:13,257 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_valuebound1.c[537,550] [2024-09-17 19:41:13,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:13,283 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:41:13,332 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_valuebound1.c[537,550] Start Parsing Local [2024-09-17 19:41:13,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:13,364 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:41:13,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13 WrapperNode [2024-09-17 19:41:13,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:13,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:41:13,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:41:13,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:41:13,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,405 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 [2024-09-17 19:41:13,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:41:13,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:41:13,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:41:13,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:41:13,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (1/1) ... [2024-09-17 19:41:13,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:41:13,473 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) [2024-09-17 19:41:13,478 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 [2024-09-17 19:41:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:41:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:41:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:41:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:41:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:41:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:41:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:41:13,631 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:41:13,637 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:41:13,819 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:41:13,837 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:41:13,871 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:41:13,871 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:41:13,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:13 BoogieIcfgContainer [2024-09-17 19:41:13,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:41:13,873 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:41:13,873 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:41:13,873 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:41:13,873 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:11" (1/4) ... [2024-09-17 19:41:13,874 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b6fecf7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:41:13, skipping insertion in model container [2024-09-17 19:41:13,874 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:41:13" (2/4) ... [2024-09-17 19:41:13,874 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b6fecf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:13, skipping insertion in model container [2024-09-17 19:41:13,874 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:13" (3/4) ... [2024-09-17 19:41:13,874 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b6fecf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:13, skipping insertion in model container [2024-09-17 19:41:13,875 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:13" (4/4) ... [2024-09-17 19:41:13,876 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-17 19:41:13,878 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:41:13,879 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:41:13,879 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:41:13,879 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:13,879 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:41:13,879 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:13,879 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-17 19:41:13,880 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:41:13,880 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-17 19:41:13,954 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:41:13,955 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:13,956 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:13,956 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:13,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:13,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:13,973 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:41:13,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:13,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:13,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:13,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:13,979 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:14,001 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:14,041 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:41:14,041 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:14,041 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:14,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:14,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:14,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:14,071 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:41:14,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:14,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:14,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:14,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:14,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:14,074 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:14,094 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:14,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:14,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:14,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:14,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:14,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:14,103 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:14,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:14,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:14,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:14,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:14,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:18,112 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:41:18,136 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:41:18,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:18,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:18,137 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:18,137 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:18,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,140 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:41:18,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:18,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:18,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:18,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:18,143 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:18,165 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:18,165 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:18,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:18,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:18,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:18,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,168 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:18,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,169 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:18,169 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:18,169 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:18,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:18,175 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:41:18,194 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-17 19:41:18,194 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:18,194 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:18,194 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:18,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:18,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,210 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-17 19:41:18,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:18,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:18,211 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:18,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:18,218 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:18,229 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-17 19:41:18,230 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:18,230 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:18,230 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:18,230 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:18,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,248 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-17 19:41:18,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:18,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:18,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:18,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:18,255 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:18,259 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:18,263 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:41:18,263 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b6fecf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:41:18, skipping insertion in model container [2024-09-17 19:41:18,263 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:41:18,265 INFO L158 Benchmark]: Toolchain (without parser) took 5193.24ms. Allocated memory is still 184.5MB. Free memory was 113.2MB in the beginning and 106.3MB in the end (delta: 7.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-09-17 19:41:18,265 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 184.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:18,266 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:18,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.66ms. Allocated memory is still 184.5MB. Free memory was 113.0MB in the beginning and 99.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:41:18,267 INFO L158 Benchmark]: Boogie Preprocessor took 63.46ms. Allocated memory is still 184.5MB. Free memory was 99.4MB in the beginning and 97.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:41:18,267 INFO L158 Benchmark]: RCFGBuilder took 441.38ms. Allocated memory is still 184.5MB. Free memory was 97.1MB in the beginning and 145.2MB in the end (delta: -48.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-09-17 19:41:18,268 INFO L158 Benchmark]: Referee took 4390.94ms. Allocated memory is still 184.5MB. Free memory was 145.2MB in the beginning and 106.3MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-17 19:41:18,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. 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 loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 184.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.66ms. Allocated memory is still 184.5MB. Free memory was 113.0MB in the beginning and 99.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.46ms. Allocated memory is still 184.5MB. Free memory was 99.4MB in the beginning and 97.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.38ms. Allocated memory is still 184.5MB. Free memory was 97.1MB in the beginning and 145.2MB in the end (delta: -48.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Referee took 4390.94ms. Allocated memory is still 184.5MB. Free memory was 145.2MB in the beginning and 106.3MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:41:18,301 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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-de32597-m [2024-09-17 19:41:20,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:41:20,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:41:20,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:41:20,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:41:20,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:41:20,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:41:20,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:41:20,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:41:20,543 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:41:20,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:41:20,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:41:20,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:41:20,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:41:20,548 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:41:20,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:41:20,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:41:20,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:41:20,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:41:20,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:41:20,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:41:20,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:41:20,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:41:20,556 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:41:20,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:41:20,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:41:20,557 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:41:20,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:41:20,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:41:20,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:41:20,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:41:20,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:41:20,558 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:41:20,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:41:20,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:41:20,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:20,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:41:20,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:41:20,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:41:20,563 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:41:20,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:41:20,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:41:20,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:41:20,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:41:20,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:41:20,564 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:41:20,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:41:20,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:41:20,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:41:20,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:41:20,910 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:41:20,910 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:41:20,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-17 19:41:20,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:41:20,968 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:41:20,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-17 19:41:22,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:41:22,725 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:41:22,726 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-17 19:41:22,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ba2ad6a47/409d98bbed874f7d97b8fc184fc669f4/FLAGa297dc289 [2024-09-17 19:41:23,114 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ba2ad6a47/409d98bbed874f7d97b8fc184fc669f4 [2024-09-17 19:41:23,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:41:23,117 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:41:23,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:23,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:41:23,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:41:23,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:20" (1/2) ... [2024-09-17 19:41:23,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e559e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:23, skipping insertion in model container [2024-09-17 19:41:23,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:20" (1/2) ... [2024-09-17 19:41:23,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d048e62 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:23, skipping insertion in model container [2024-09-17 19:41:23,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:23" (2/2) ... [2024-09-17 19:41:23,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e559e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23, skipping insertion in model container [2024-09-17 19:41:23,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:23" (2/2) ... [2024-09-17 19:41:23,142 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:41:23,143 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-17 19:41:23,143 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-17 19:41:23,143 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-17 19:41:23,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:41:23,325 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_valuebound1.c[537,550] [2024-09-17 19:41:23,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:23,363 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:41:23,401 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_valuebound1.c[537,550] Start Parsing Local [2024-09-17 19:41:23,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:23,425 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:41:23,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23 WrapperNode [2024-09-17 19:41:23,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:23,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:41:23,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:41:23,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:41:23,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,469 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 [2024-09-17 19:41:23,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:41:23,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:41:23,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:41:23,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:41:23,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (1/1) ... [2024-09-17 19:41:23,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:41:23,519 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) [2024-09-17 19:41:23,525 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 [2024-09-17 19:41:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:41:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:41:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:41:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:41:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:41:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:41:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:41:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-17 19:41:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:41:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-17 19:41:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-17 19:41:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:41:23,639 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:41:23,641 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:41:23,893 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:41:23,909 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:41:23,954 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:41:23,954 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:41:23,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:23 BoogieIcfgContainer [2024-09-17 19:41:23,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:41:23,955 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:41:23,955 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:41:23,956 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:41:23,956 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:20" (1/4) ... [2024-09-17 19:41:23,958 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4a32ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:41:23, skipping insertion in model container [2024-09-17 19:41:23,958 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:41:23" (2/4) ... [2024-09-17 19:41:23,958 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4a32ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:23, skipping insertion in model container [2024-09-17 19:41:23,958 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:23" (3/4) ... [2024-09-17 19:41:23,958 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4a32ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:23, skipping insertion in model container [2024-09-17 19:41:23,958 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:23" (4/4) ... [2024-09-17 19:41:23,961 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-17 19:41:23,964 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:41:23,965 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:41:23,965 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:41:23,965 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:23,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:41:23,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:23,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-17 19:41:23,967 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:41:23,967 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-17 19:41:24,027 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:41:24,028 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:24,029 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:24,029 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:24,030 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:24,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,039 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:41:24,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,041 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:24,041 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:24,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:24,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:24,066 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:24,086 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:41:24,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:24,087 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:24,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:24,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:24,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,100 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:41:24,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:24,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:24,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:24,102 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:24,107 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:24,132 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:24,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:24,133 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:24,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:24,134 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:24,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,138 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:24,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:24,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:24,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:24,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:24,150 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:24,175 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:41:24,176 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:24,176 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:24,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:24,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:24,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,182 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:41:24,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:24,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:24,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:24,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:24,189 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:24,205 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:24,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:24,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:24,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:24,207 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:24,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,209 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:24,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:24,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:24,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:24,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:24,213 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:41:24,232 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-17 19:41:24,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:24,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:24,232 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:24,232 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:24,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,252 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-17 19:41:24,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,253 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:24,253 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:24,253 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:24,253 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:24,262 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:24,279 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-17 19:41:24,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:24,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:24,281 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:24,281 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:24,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,308 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-17 19:41:24,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:24,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:24,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:24,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:24,315 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:24,334 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:24,343 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:41:24,344 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4a32ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:41:24, skipping insertion in model container [2024-09-17 19:41:24,344 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:41:24,346 INFO L158 Benchmark]: Toolchain (without parser) took 1228.50ms. Allocated memory is still 79.7MB. Free memory was 46.1MB in the beginning and 54.0MB in the end (delta: -7.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-17 19:41:24,346 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:24,346 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:24,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.00ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 51.9MB in the end (delta: -6.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-17 19:41:24,347 INFO L158 Benchmark]: Boogie Preprocessor took 61.22ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 49.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:41:24,348 INFO L158 Benchmark]: RCFGBuilder took 465.39ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 34.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:41:24,348 INFO L158 Benchmark]: Referee took 389.17ms. Allocated memory is still 79.7MB. Free memory was 34.0MB in the beginning and 54.0MB in the end (delta: -19.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-17 19:41:24,351 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.00ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 51.9MB in the end (delta: -6.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.22ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 49.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.39ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 34.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 389.17ms. Allocated memory is still 79.7MB. Free memory was 34.0MB in the beginning and 54.0MB in the end (delta: -19.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:41:24,380 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: TRUE