This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:46:53,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:53,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:53,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:53,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:53,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:53,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:53,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:53,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:53,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:53,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:53,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:53,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:53,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:53,771 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:53,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:53,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:53,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:53,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:53,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:53,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:53,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:53,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:53,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:53,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:53,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:53,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:53,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:53,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:53,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:53,776 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:53,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:53,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:53,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:53,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:53,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:53,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:53,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:53,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:53,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:53,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:53,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:53,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:53,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:54,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:54,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:54,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:54,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:54,058 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:54,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 11:46:55,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:55,604 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:55,605 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 11:46:55,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/da43da423/48fdad1777cf467fb7b8228099dd1f3b/FLAG85d5c86d2 [2024-09-25 11:46:56,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/da43da423/48fdad1777cf467fb7b8228099dd1f3b [2024-09-25 11:46:56,017 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:56,018 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:56,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-25 11:46:56,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:56,054 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:56,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:56,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:56,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:56,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:56" (1/2) ... [2024-09-25 11:46:56,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a71841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:56, skipping insertion in model container [2024-09-25 11:46:56,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:56" (1/2) ... [2024-09-25 11:46:56,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@97176db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:56, skipping insertion in model container [2024-09-25 11:46:56,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:56" (2/2) ... [2024-09-25 11:46:56,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a71841 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56, skipping insertion in model container [2024-09-25 11:46:56,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:56" (2/2) ... [2024-09-25 11:46:56,067 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:56,067 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-25 11:46:56,067 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:46:56,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:56,226 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-09-25 11:46:56,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:56,284 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:46:56,316 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] Start Parsing Local [2024-09-25 11:46:56,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:56,336 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:56,337 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56 WrapperNode [2024-09-25 11:46:56,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:56,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:56,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:56,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:56,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,360 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 [2024-09-25 11:46:56,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:56,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:56,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:56,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:56,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (1/1) ... [2024-09-25 11:46:56,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:56,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:56,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:46:56,402 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:46:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:46:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:46:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:46:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:46:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:46:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:56,499 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:56,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:56,730 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:46:56,745 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:56,766 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:56,766 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:46:56,766 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:56 BoogieIcfgContainer [2024-09-25 11:46:56,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:56,767 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:56,770 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:56,771 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:56,771 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:56" (1/4) ... [2024-09-25 11:46:56,771 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:56, skipping insertion in model container [2024-09-25 11:46:56,771 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:56" (2/4) ... [2024-09-25 11:46:56,771 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:56, skipping insertion in model container [2024-09-25 11:46:56,771 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:56" (3/4) ... [2024-09-25 11:46:56,771 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:56, skipping insertion in model container [2024-09-25 11:46:56,772 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:56" (4/4) ... [2024-09-25 11:46:56,772 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-25 11:46:56,778 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:46:56,779 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:46:56,779 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:46:56,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:46:56,779 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:56,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:46:56,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:56,780 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-25 11:46:56,824 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:46:56,825 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:56,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:56,826 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:56,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:56,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:56,847 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:46:56,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:56,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:56,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:56,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:56,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:56,869 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:46:56,887 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:46:56,887 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:56,887 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:56,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:56,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:56,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:56,910 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:46:56,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:56,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:56,911 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:56,914 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:56,928 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:00,931 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:00,950 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:47:00,951 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:00,951 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:00,951 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:00,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:00,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:00,955 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:47:00,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:00,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:00,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:00,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:00,955 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:00,962 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:00,981 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:00,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:00,982 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:00,982 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:00,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:00,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:00,986 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:00,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:00,986 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:00,987 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:00,987 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:00,987 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:04,992 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:05,007 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:05,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:05,007 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:05,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:05,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:05,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:05,010 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:05,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:05,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:05,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:05,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:05,011 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:05,012 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:05,019 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:05,019 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:05,019 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:05,020 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:05,020 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:05,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:05,021 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:05,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:05,021 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:05,021 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:05,021 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:05,022 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:05,023 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:05,025 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:47:05,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5603cea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:05, skipping insertion in model container [2024-09-25 11:47:05,025 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:05,027 INFO L158 Benchmark]: Toolchain (without parser) took 8972.16ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 96.1MB in the end (delta: 39.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:05,027 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:05,028 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:05,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.11ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 151.3MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:47:05,028 INFO L158 Benchmark]: Boogie Preprocessor took 30.36ms. Allocated memory is still 186.6MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:05,029 INFO L158 Benchmark]: RCFGBuilder took 397.99ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 132.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:47:05,029 INFO L158 Benchmark]: Referee took 8258.89ms. Allocated memory is still 186.6MB. Free memory was 132.4MB in the beginning and 96.1MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:05,031 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 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 entry of procedure main 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 186.6MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.11ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 151.3MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.36ms. Allocated memory is still 186.6MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.99ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 132.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8258.89ms. Allocated memory is still 186.6MB. Free memory was 132.4MB in the beginning and 96.1MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:47:05,056 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:47:07,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:07,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:47:07,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:07,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:07,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:07,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:07,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:07,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:07,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:07,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:07,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:07,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:07,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:07,166 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:07,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:07,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:07,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:07,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:07,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:07,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:07,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:07,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:07,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:47:07,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:47:07,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:07,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:47:07,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:07,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:07,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:07,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:07,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:07,176 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:07,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:07,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:07,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:07,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:07,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:07,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:07,178 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:47:07,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:47:07,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:07,185 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:07,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:07,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:07,186 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:47:07,186 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:07,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:07,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:07,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:07,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:07,650 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:07,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 11:47:09,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:09,327 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:09,328 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 11:47:09,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5d421dadc/0a76586e19cf4a8bbc651e62ddc2d267/FLAG73953540c [2024-09-25 11:47:09,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5d421dadc/0a76586e19cf4a8bbc651e62ddc2d267 [2024-09-25 11:47:09,353 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:09,353 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:09,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-25 11:47:09,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:09,419 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:09,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:09,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:09,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:09,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:09" (1/2) ... [2024-09-25 11:47:09,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6681f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:09, skipping insertion in model container [2024-09-25 11:47:09,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:09" (1/2) ... [2024-09-25 11:47:09,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d5302d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:09, skipping insertion in model container [2024-09-25 11:47:09,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:09" (2/2) ... [2024-09-25 11:47:09,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6681f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09, skipping insertion in model container [2024-09-25 11:47:09,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:09" (2/2) ... [2024-09-25 11:47:09,451 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:09,452 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-25 11:47:09,452 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:47:09,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:09,655 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-09-25 11:47:09,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:09,690 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:47:09,724 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] Start Parsing Local [2024-09-25 11:47:09,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:09,745 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:09,751 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09 WrapperNode [2024-09-25 11:47:09,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:09,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:09,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:09,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:09,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,789 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 [2024-09-25 11:47:09,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:09,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:09,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:09,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:09,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (1/1) ... [2024-09-25 11:47:09,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:09,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:09,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:47:09,836 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:47:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:47:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:47:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:47:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:09,957 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:09,963 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:10,520 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:10,535 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:10,580 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:10,580 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:47:10,587 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:10 BoogieIcfgContainer [2024-09-25 11:47:10,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:10,588 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:10,588 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:10,589 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:10,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:09" (1/4) ... [2024-09-25 11:47:10,590 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:10, skipping insertion in model container [2024-09-25 11:47:10,590 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:09" (2/4) ... [2024-09-25 11:47:10,590 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:10, skipping insertion in model container [2024-09-25 11:47:10,590 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:09" (3/4) ... [2024-09-25 11:47:10,590 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:10, skipping insertion in model container [2024-09-25 11:47:10,590 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:10" (4/4) ... [2024-09-25 11:47:10,592 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-25 11:47:10,596 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:47:10,597 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:47:10,597 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:10,597 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:10,598 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:10,598 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:10,598 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:10,598 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 11:47:10,648 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:10,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:10,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:10,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:10,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:10,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:10,679 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:10,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:10,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:10,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:10,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:10,684 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:10,695 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:10,716 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:47:10,716 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:10,716 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:10,716 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:10,717 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:10,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:10,740 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:47:10,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:10,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:10,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:10,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:10,748 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:14,831 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:14,893 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:47:14,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:14,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:14,893 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:14,893 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:14,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:14,906 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:47:14,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:14,906 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:14,906 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:14,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:14,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:14,945 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:14,983 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:14,983 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:14,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:14,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:14,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:14,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:14,990 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:14,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:14,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:14,991 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:14,991 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:14,991 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:19,061 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:19,106 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:19,106 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:19,106 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:19,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:19,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:19,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:19,117 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:19,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:19,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:19,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:19,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:19,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:19,119 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:19,126 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:19,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:19,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:19,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:19,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:19,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:19,128 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:19,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:19,128 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:19,129 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:19,129 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:19,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:19,130 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:19,132 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:47:19,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b5260bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:19, skipping insertion in model container [2024-09-25 11:47:19,133 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:19,134 INFO L158 Benchmark]: Toolchain (without parser) took 9714.61ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 56.3MB in the beginning and 88.1MB in the end (delta: -31.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-09-25 11:47:19,135 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:19,135 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:19,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.02ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 42.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:19,136 INFO L158 Benchmark]: Boogie Preprocessor took 56.11ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:19,136 INFO L158 Benchmark]: RCFGBuilder took 778.35ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 40.0MB in the beginning and 83.1MB in the end (delta: -43.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:19,137 INFO L158 Benchmark]: Referee took 8545.07ms. Allocated memory is still 113.2MB. Free memory was 83.1MB in the beginning and 88.1MB in the end (delta: -5.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:19,139 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 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 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 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: * CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.02ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 42.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.11ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 778.35ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 40.0MB in the beginning and 83.1MB in the end (delta: -43.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Referee took 8545.07ms. Allocated memory is still 113.2MB. Free memory was 83.1MB in the beginning and 88.1MB in the end (delta: -5.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:47:19,175 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...