./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/lcm2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:05:10,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:10,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:05:10,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:10,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:10,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:10,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:10,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:10,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:10,237 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:10,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:10,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:10,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:10,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:10,239 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:10,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:10,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:10,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:10,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:05:10,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:10,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:10,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:10,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:10,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:10,245 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:10,245 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:10,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:10,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:10,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:10,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:10,246 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:10,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:10,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:10,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:10,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:10,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:10,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:10,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:05:10,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:05:10,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:10,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:10,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:10,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:10,249 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:10,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:10,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:10,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:10,470 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:10,470 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:10,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-13 05:05:10,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:10,542 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:10,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 05:05:11,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:11,905 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:11,906 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 05:05:11,911 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a2f43f237/a9cbfbf697104ebf809acec54881dfe9/FLAGf0dfa4a9f [2024-09-13 05:05:12,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a2f43f237/a9cbfbf697104ebf809acec54881dfe9 [2024-09-13 05:05:12,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:12,337 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:12,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:12,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:12,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:12,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:10" (1/2) ... [2024-09-13 05:05:12,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0f9ad3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:12, skipping insertion in model container [2024-09-13 05:05:12,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:10" (1/2) ... [2024-09-13 05:05:12,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37f0db82 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:12, skipping insertion in model container [2024-09-13 05:05:12,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:12" (2/2) ... [2024-09-13 05:05:12,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0f9ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12, skipping insertion in model container [2024-09-13 05:05:12,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:12" (2/2) ... [2024-09-13 05:05:12,353 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:12,354 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-13 05:05:12,354 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:05:12,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:12,495 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/lcm2.c[537,550] [2024-09-13 05:05:12,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:12,515 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:05:12,542 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/lcm2.c[537,550] Start Parsing Local [2024-09-13 05:05:12,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:12,564 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:12,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12 WrapperNode [2024-09-13 05:05:12,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:12,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:12,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:12,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:12,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,597 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 [2024-09-13 05:05:12,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:12,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:12,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:12,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:12,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (1/1) ... [2024-09-13 05:05:12,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:12,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:12,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:05:12,649 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:05:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:05:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:05:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:05:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:05:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:12,746 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:12,748 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:12,930 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:12,943 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:12,965 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:12,966 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:05:12,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:12 BoogieIcfgContainer [2024-09-13 05:05:12,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:12,967 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:12,967 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:12,967 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:12,967 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:10" (1/4) ... [2024-09-13 05:05:12,968 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d78692a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:12, skipping insertion in model container [2024-09-13 05:05:12,968 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:12" (2/4) ... [2024-09-13 05:05:12,968 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d78692a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:12, skipping insertion in model container [2024-09-13 05:05:12,968 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:12" (3/4) ... [2024-09-13 05:05:12,968 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d78692a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:12, skipping insertion in model container [2024-09-13 05:05:12,968 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:12" (4/4) ... [2024-09-13 05:05:12,969 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-13 05:05:12,972 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:05:12,972 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:05:12,972 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:05:12,973 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:05:12,973 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:12,973 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:12,973 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:12,973 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 [2024-09-13 05:05:13,020 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:05:13,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:13,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:13,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:13,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:13,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:13,065 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:05:13,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:13,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:13,066 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:13,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:13,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:13,093 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:13,117 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:05:13,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:13,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:13,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:13,120 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:13,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:13,154 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:05:13,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:13,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:13,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:13,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:13,162 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:17,173 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:05:17,189 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:05:17,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:17,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:17,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:17,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:17,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:17,195 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:05:17,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:17,195 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:17,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:17,195 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:17,196 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:17,200 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:17,208 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:17,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:17,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:17,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:17,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:17,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:17,214 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:17,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:17,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:17,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:17,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:17,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,220 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:05:21,229 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:21,230 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,230 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,230 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,230 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,232 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:21,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,232 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,232 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,233 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,234 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:21,241 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:21,241 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,241 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,243 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:21,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,243 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,243 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,243 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,245 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:21,247 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:05:21,248 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d78692a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:21, skipping insertion in model container [2024-09-13 05:05:21,248 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:21,249 INFO L158 Benchmark]: Toolchain (without parser) took 8911.33ms. Allocated memory is still 169.9MB. Free memory was 96.0MB in the beginning and 97.8MB in the end (delta: -1.8MB). Peak memory consumption was 151.2kB. Max. memory is 16.1GB. [2024-09-13 05:05:21,249 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:21,250 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 169.9MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:21,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.38ms. Allocated memory is still 169.9MB. Free memory was 95.7MB in the beginning and 82.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,250 INFO L158 Benchmark]: Boogie Preprocessor took 48.15ms. Allocated memory is still 169.9MB. Free memory was 82.1MB in the beginning and 80.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,251 INFO L158 Benchmark]: RCFGBuilder took 352.65ms. Allocated memory is still 169.9MB. Free memory was 80.0MB in the beginning and 134.1MB in the end (delta: -54.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,251 INFO L158 Benchmark]: Referee took 8281.09ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 97.8MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,253 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 35 to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds 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 loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. 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: * Witness Parser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.27ms. Allocated memory is still 169.9MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.38ms. Allocated memory is still 169.9MB. Free memory was 95.7MB in the beginning and 82.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.15ms. Allocated memory is still 169.9MB. Free memory was 82.1MB in the beginning and 80.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.65ms. Allocated memory is still 169.9MB. Free memory was 80.0MB in the beginning and 134.1MB in the end (delta: -54.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Referee took 8281.09ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 97.8MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:21,274 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/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:05:23,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:23,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:05:23,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:23,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:23,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:23,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:23,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:23,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:23,271 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:23,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:23,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:23,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:23,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:23,276 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:23,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:23,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:23,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:23,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:23,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:23,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:23,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:23,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:23,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:05:23,280 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:05:23,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:23,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:05:23,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:23,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:23,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:23,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:23,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:23,282 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:23,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:23,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:23,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:23,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:23,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:23,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:23,283 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:05:23,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:05:23,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:23,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:23,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:23,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:23,284 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:05:23,285 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:23,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:23,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:23,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:23,593 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:23,594 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:23,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-13 05:05:23,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:23,639 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:23,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 05:05:25,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:25,169 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:25,169 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 05:05:25,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/392f9cf4d/e051c890e86e4041be546d16c1505de3/FLAG5d7d8f4eb [2024-09-13 05:05:25,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/392f9cf4d/e051c890e86e4041be546d16c1505de3 [2024-09-13 05:05:25,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:25,192 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:25,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:25,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:25,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:25,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:23" (1/2) ... [2024-09-13 05:05:25,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61fb1c36 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:25, skipping insertion in model container [2024-09-13 05:05:25,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:23" (1/2) ... [2024-09-13 05:05:25,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5890b3e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:25, skipping insertion in model container [2024-09-13 05:05:25,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:25" (2/2) ... [2024-09-13 05:05:25,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61fb1c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25, skipping insertion in model container [2024-09-13 05:05:25,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:25" (2/2) ... [2024-09-13 05:05:25,211 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:25,212 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-13 05:05:25,212 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:05:25,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:25,358 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/lcm2.c[537,550] [2024-09-13 05:05:25,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:25,405 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:05:25,440 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/lcm2.c[537,550] Start Parsing Local [2024-09-13 05:05:25,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:25,466 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:25,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25 WrapperNode [2024-09-13 05:05:25,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:25,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:25,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:25,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:25,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,498 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 [2024-09-13 05:05:25,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:25,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:25,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:25,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:25,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (1/1) ... [2024-09-13 05:05:25,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:25,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:25,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:05:25,554 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:05:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:05:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:05:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:05:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:05:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:25,662 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:25,665 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:25,963 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:25,983 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:26,009 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:26,010 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:05:26,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:26 BoogieIcfgContainer [2024-09-13 05:05:26,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:26,011 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:26,011 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:26,012 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:26,012 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:23" (1/4) ... [2024-09-13 05:05:26,012 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62381696 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:25" (2/4) ... [2024-09-13 05:05:26,013 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62381696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:25" (3/4) ... [2024-09-13 05:05:26,013 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62381696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:26" (4/4) ... [2024-09-13 05:05:26,015 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-13 05:05:26,018 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:05:26,018 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:05:26,019 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:05:26,019 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:05:26,019 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:26,019 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:26,019 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:26,019 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 05:05:26,064 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:05:26,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:26,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:26,066 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:26,066 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:26,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:26,087 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:05:26,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:26,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:26,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:26,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:26,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:26,102 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:26,126 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:05:26,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:26,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:26,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:26,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:26,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:26,160 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:05:26,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:26,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:26,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:26,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:26,175 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:30,219 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:05:30,253 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:05:30,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:30,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:30,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:30,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:30,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,258 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:05:30,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:30,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:30,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:30,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:30,271 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:30,281 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:30,282 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:30,282 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:30,282 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:30,282 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:30,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,290 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:30,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:30,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:30,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:30,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:30,335 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:30,350 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:30,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:30,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:30,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:30,351 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:30,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,354 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:30,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,354 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:30,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:30,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:30,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:30,358 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:30,367 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:30,369 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:30,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:30,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:30,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:30,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,373 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:30,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:30,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:30,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:30,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:30,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:30,375 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:30,378 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:05:30,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62381696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:30, skipping insertion in model container [2024-09-13 05:05:30,379 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:30,383 INFO L158 Benchmark]: Toolchain (without parser) took 5190.49ms. Allocated memory is still 79.7MB. Free memory was 48.6MB in the beginning and 36.6MB in the end (delta: 12.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-09-13 05:05:30,384 INFO L158 Benchmark]: Witness Parser took 0.32ms. Allocated memory is still 54.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:30,384 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:30,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.98ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 56.5MB in the end (delta: -8.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-13 05:05:30,386 INFO L158 Benchmark]: Boogie Preprocessor took 52.99ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 54.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:30,387 INFO L158 Benchmark]: RCFGBuilder took 488.52ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 39.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:30,387 INFO L158 Benchmark]: Referee took 4367.81ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 36.6MB in the end (delta: 2.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:30,392 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 35 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.32ms. Allocated memory is still 54.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.98ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 56.5MB in the end (delta: -8.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.99ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 54.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.52ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 39.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4367.81ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 36.6MB in the end (delta: 2.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:30,423 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN