./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:12,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:12,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:12,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:12,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:12,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:12,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:12,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:12,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:12,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:12,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:12,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:12,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:12,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:12,659 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:12,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:12,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:12,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:12,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:12,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:12,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:12,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:12,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:12,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:12,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:12,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:12,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:12,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:12,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:12,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:12,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:12,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:12,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:12,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:12,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:12,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:12,664 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:12,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:12,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:12,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:12,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:12,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:12,666 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:12,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:12,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:12,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:12,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:12,866 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:12,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-11 20:51:14,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:14,190 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:14,191 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-11 20:51:14,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d5d8ab271/a06ad84c59984040b3b96fdda1c4a96c/FLAGc43ec2f0f [2024-09-11 20:51:14,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d5d8ab271/a06ad84c59984040b3b96fdda1c4a96c [2024-09-11 20:51:14,207 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:14,207 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:14,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-11 20:51:14,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:14,241 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:14,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:14,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:14,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:14,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:14" (1/2) ... [2024-09-11 20:51:14,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5e8ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:14, skipping insertion in model container [2024-09-11 20:51:14,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:14" (1/2) ... [2024-09-11 20:51:14,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71227d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:14, skipping insertion in model container [2024-09-11 20:51:14,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:14" (2/2) ... [2024-09-11 20:51:14,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5e8ddb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14, skipping insertion in model container [2024-09-11 20:51:14,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:14" (2/2) ... [2024-09-11 20:51:14,258 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:14,258 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:14,258 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:14,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:14,389 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-11 20:51:14,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:14,408 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:14,433 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Local [2024-09-11 20:51:14,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:14,452 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:14,452 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14 WrapperNode [2024-09-11 20:51:14,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:14,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:14,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:14,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:14,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,483 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:14,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:14,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:14,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:14,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:14,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (1/1) ... [2024-09-11 20:51:14,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:14,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:14,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:14,530 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:14,660 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:14,661 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:14,809 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:14,849 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:14,849 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:14,871 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:14,871 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:14,871 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:14 BoogieIcfgContainer [2024-09-11 20:51:14,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:14,872 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:14,872 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:14,872 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:14,872 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:14" (1/4) ... [2024-09-11 20:51:14,873 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7730196c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:14, skipping insertion in model container [2024-09-11 20:51:14,873 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:14" (2/4) ... [2024-09-11 20:51:14,873 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7730196c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:14, skipping insertion in model container [2024-09-11 20:51:14,873 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:14" (3/4) ... [2024-09-11 20:51:14,873 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7730196c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:14, skipping insertion in model container [2024-09-11 20:51:14,873 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:14" (4/4) ... [2024-09-11 20:51:14,874 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-11 20:51:14,877 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:14,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:14,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:14,878 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:14,878 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:14,878 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:14,878 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:14,878 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:14,933 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:14,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:14,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:14,935 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:14,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:14,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,994 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:14,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:14,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:15,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:15,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:19,034 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:19,048 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:19,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:19,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:19,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:19,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:19,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:19,055 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:19,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:19,056 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:19,056 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:19,056 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:19,056 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,063 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:23,079 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:23,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,081 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:23,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,083 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,086 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:23,100 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:23,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,104 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:23,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,106 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,109 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:23,122 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:23,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,129 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:23,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,132 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:23,139 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:23,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,171 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:23,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,172 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,182 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:27,189 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:27,190 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7730196c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:27, skipping insertion in model container [2024-09-11 20:51:27,190 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:27,191 INFO L158 Benchmark]: Toolchain (without parser) took 12949.36ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 68.6MB in the beginning and 95.1MB in the end (delta: -26.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:27,192 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 138.4MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:27,192 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:27,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.96ms. Allocated memory is still 138.4MB. Free memory was 68.3MB in the beginning and 54.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:27,193 INFO L158 Benchmark]: Boogie Preprocessor took 43.53ms. Allocated memory is still 138.4MB. Free memory was 54.7MB in the beginning and 52.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:27,193 INFO L158 Benchmark]: RCFGBuilder took 374.31ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 52.7MB in the beginning and 137.1MB in the end (delta: -84.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:27,194 INFO L158 Benchmark]: Referee took 12318.38ms. Allocated memory is still 176.2MB. Free memory was 137.1MB in the beginning and 95.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:27,195 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 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 loop head at line 36. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 138.4MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.96ms. Allocated memory is still 138.4MB. Free memory was 68.3MB in the beginning and 54.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.53ms. Allocated memory is still 138.4MB. Free memory was 54.7MB in the beginning and 52.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.31ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 52.7MB in the beginning and 137.1MB in the end (delta: -84.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Referee took 12318.38ms. Allocated memory is still 176.2MB. Free memory was 137.1MB in the beginning and 95.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:27,217 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_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:29,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:29,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:29,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:29,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:29,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:29,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:29,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:29,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:29,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:29,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:29,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:29,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:29,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:29,102 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:29,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:29,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:29,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:29,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:29,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:29,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:29,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:29,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:29,106 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:29,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:29,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:29,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:29,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:29,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:29,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:29,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:29,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:29,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:29,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:29,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:29,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:29,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:29,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:29,110 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:29,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:29,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:29,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:29,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:29,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:29,111 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:29,111 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:29,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:29,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:29,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:29,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:29,365 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:29,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-11 20:51:30,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:30,733 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:30,735 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-11 20:51:30,743 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b2ac2a20d/2b06e7d6818a47de8aa7e1f2061d1723/FLAG2c71b7fc2 [2024-09-11 20:51:30,757 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b2ac2a20d/2b06e7d6818a47de8aa7e1f2061d1723 [2024-09-11 20:51:30,759 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:30,759 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:30,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-11 20:51:30,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:30,803 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:30,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:30,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:30,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:30,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:30" (1/2) ... [2024-09-11 20:51:30,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd5e144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:30, skipping insertion in model container [2024-09-11 20:51:30,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:30" (1/2) ... [2024-09-11 20:51:30,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18b110a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:30, skipping insertion in model container [2024-09-11 20:51:30,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:30" (2/2) ... [2024-09-11 20:51:30,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd5e144 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:30, skipping insertion in model container [2024-09-11 20:51:30,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:30" (2/2) ... [2024-09-11 20:51:30,836 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:30,838 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:30,838 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:30,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:30,982 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-11 20:51:31,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:31,013 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:31,044 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Local [2024-09-11 20:51:31,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:31,069 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:31,070 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31 WrapperNode [2024-09-11 20:51:31,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:31,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:31,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:31,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:31,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,088 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,095 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:31,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:31,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:31,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:31,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:31,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (1/1) ... [2024-09-11 20:51:31,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:31,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:31,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:31,135 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:31,239 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:31,241 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:31,561 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:31,599 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:31,599 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:31,630 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:31,631 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:31,631 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:31 BoogieIcfgContainer [2024-09-11 20:51:31,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:31,632 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:31,632 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:31,633 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:31,633 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:30" (1/4) ... [2024-09-11 20:51:31,634 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@231e5aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:31, skipping insertion in model container [2024-09-11 20:51:31,634 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:30" (2/4) ... [2024-09-11 20:51:31,634 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@231e5aca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:31, skipping insertion in model container [2024-09-11 20:51:31,634 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:31" (3/4) ... [2024-09-11 20:51:31,634 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@231e5aca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:31, skipping insertion in model container [2024-09-11 20:51:31,635 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:31" (4/4) ... [2024-09-11 20:51:31,636 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-11 20:51:31,638 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:31,639 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:31,639 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:31,639 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:31,640 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:31,640 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:31,640 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:31,641 INFO L130 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:31,689 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:31,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:31,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:31,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:31,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:31,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,728 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:31,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,730 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:31,730 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:31,731 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:31,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,786 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:31,812 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:31,812 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:31,813 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:31,813 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:31,813 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:31,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,826 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:31,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:31,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:31,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:31,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,852 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:35,872 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:35,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,875 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:35,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,881 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:35,903 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:35,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,908 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:35,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,909 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,911 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:35,922 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:35,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,930 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:35,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,961 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:35,969 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:35,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,987 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:35,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,987 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,987 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,993 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:35,996 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:35,996 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@231e5aca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,996 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:35,999 INFO L158 Benchmark]: Toolchain (without parser) took 5194.24ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 37.3MB in the beginning and 66.5MB in the end (delta: -29.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:35,999 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 77.6MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:35,999 INFO L158 Benchmark]: Witness Parser took 0.56ms. Allocated memory is still 77.6MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:36,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.19ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 44.9MB in the end (delta: -7.7MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,000 INFO L158 Benchmark]: Boogie Preprocessor took 39.48ms. Allocated memory is still 77.6MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,001 INFO L158 Benchmark]: RCFGBuilder took 520.29ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 42.5MB in the beginning and 74.4MB in the end (delta: -32.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,002 INFO L158 Benchmark]: Referee took 4364.38ms. Allocated memory is still 104.9MB. Free memory was 74.4MB in the beginning and 66.5MB in the end (delta: 7.9MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,004 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 77.6MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.56ms. Allocated memory is still 77.6MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.19ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 44.9MB in the end (delta: -7.7MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.48ms. Allocated memory is still 77.6MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.29ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 42.5MB in the beginning and 74.4MB in the end (delta: -32.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 4364.38ms. Allocated memory is still 104.9MB. Free memory was 74.4MB in the beginning and 66.5MB in the end (delta: 7.9MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:36,030 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