This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:43,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:43,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:43,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:43,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:43,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:43,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:43,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:43,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:43,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:43,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:43,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:43,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:43,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:43,427 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:43,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:43,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:43,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:43,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:43,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:43,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:43,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:43,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:43,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:43,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:43,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:43,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:43,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:43,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:43,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:43,435 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:43,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:43,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:43,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:43,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:43,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:43,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:43,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:43,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:43,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:43,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:43,438 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:43,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:43,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:43,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:43,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:43,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:43,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:43,771 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:43,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 00:29:45,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:45,492 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:45,493 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 00:29:45,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/41e917faf/821b6226f07b474d8d2f12ba8791f72c/FLAGea840d7b9 [2024-09-25 00:29:45,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/41e917faf/821b6226f07b474d8d2f12ba8791f72c [2024-09-25 00:29:45,517 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:45,518 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:45,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-25 00:29:45,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:45,576 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:45,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:45,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:45,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:45,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:45" (1/2) ... [2024-09-25 00:29:45,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5084566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:45, skipping insertion in model container [2024-09-25 00:29:45,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:45" (1/2) ... [2024-09-25 00:29:45,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11a86d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:45, skipping insertion in model container [2024-09-25 00:29:45,589 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 12:29:45" (2/2) ... [2024-09-25 00:29:45,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5084566 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:45, skipping insertion in model container [2024-09-25 00:29:45,590 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 12:29:45" (2/2) ... [2024-09-25 00:29:45,599 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:45,600 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 00:29:45,601 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:45,601 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:45,601 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:45,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:45,792 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-09-25 00:29:45,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:45,824 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:45,865 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:29:45,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:45,896 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:45,896 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:45 WrapperNode [2024-09-25 00:29:45,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:45,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:45,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:45,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:45,919 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,923 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,934 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,956 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:29:45,959 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,959 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,963 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,970 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,974 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,975 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:45,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:45,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:45,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:45,982 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 12:29:45" (1/1) ... [2024-09-25 00:29:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:46,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:46,032 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 00:29:46,039 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 00:29:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:46,169 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:46,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:46,217 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,263 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,491 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,507 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:46,540 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:46,541 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:46,541 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:46 BoogieIcfgContainer [2024-09-25 00:29:46,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:46,542 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:46,542 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:46,543 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:46,543 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:45" (1/4) ... [2024-09-25 00:29:46,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3aecd149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,544 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 12:29:45" (2/4) ... [2024-09-25 00:29:46,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3aecd149 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,544 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 12:29:45" (3/4) ... [2024-09-25 00:29:46,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3aecd149 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,544 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 12:29:46" (4/4) ... [2024-09-25 00:29:46,546 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-25 00:29:46,549 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:46,549 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,549 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,550 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,550 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:46,550 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,550 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:29:46,550 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:29:46,550 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,550 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 00:29:46,551 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 00:29:46,551 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:46,551 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:46,551 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:29:46,551 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:29:46,607 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:46,608 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:46,609 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:46,610 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:46,610 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:46,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,628 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:46,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:46,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:46,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:46,633 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:46,655 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:46,688 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:46,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:46,689 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:46,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:46,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:46,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,694 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:46,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:46,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:46,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:46,695 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:46,698 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:46,723 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:46,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:46,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:46,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:46,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:46,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,746 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:46,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,750 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:46,751 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:46,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:46,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:50,758 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:50,778 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:50,778 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:50,778 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:50,779 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:50,779 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:50,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,780 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:50,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:50,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:50,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:50,780 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:50,782 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:50,794 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:50,795 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:50,795 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:50,795 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:50,795 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:50,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,798 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:50,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:50,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:50,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:50,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:50,801 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:50,818 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:29:50,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:50,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:50,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:50,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:50,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,857 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:29:50,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:50,858 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:50,858 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:50,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:50,861 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:50,873 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:50,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:50,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:50,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:50,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:50,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,892 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:50,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:50,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:50,893 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:50,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:54,906 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:54,924 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:54,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:54,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:54,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:54,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:54,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,926 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:54,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:54,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:54,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:54,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:54,932 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:54,942 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:54,943 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:54,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:54,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:54,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:54,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,946 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:54,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,946 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:54,946 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:54,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:54,947 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:54,952 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:54,963 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:54,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:54,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:54,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:54,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:54,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,967 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:54,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:54,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:54,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:54,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:54,969 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:54,980 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:54,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:54,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:54,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:54,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:54,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,983 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:54,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:54,984 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:54,984 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:54,984 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:54,985 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:54,987 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:54,996 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:54,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:54,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:54,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:54,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:54,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,002 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:55,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,005 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:55,015 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:55,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,015 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,041 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:55,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,043 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,058 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:59,064 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:29:59,065 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3aecd149 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,065 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:59,067 INFO L158 Benchmark]: Toolchain (without parser) took 13489.98ms. Allocated memory is still 151.0MB. Free memory was 110.0MB in the beginning and 38.1MB in the end (delta: 72.0MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,067 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,067 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.55ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 94.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,068 INFO L158 Benchmark]: Boogie Preprocessor took 82.37ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,070 INFO L158 Benchmark]: RCFGBuilder took 560.58ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 110.5MB in the end (delta: -17.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,070 INFO L158 Benchmark]: Referee took 12522.87ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 38.1MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __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 check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.55ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 94.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.37ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.58ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 110.5MB in the end (delta: -17.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12522.87ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 38.1MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:29:59,109 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:01,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:01,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:01,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:01,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:01,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:01,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:01,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:01,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:01,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:01,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:01,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:01,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:01,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:01,534 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:01,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:01,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:01,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:01,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:01,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:01,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:01,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:01,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:01,538 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:01,538 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:01,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:01,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:01,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:01,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:01,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:01,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:01,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:01,541 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:01,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:01,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:01,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:01,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:01,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:01,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:01,543 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:01,544 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:01,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:01,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:01,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:01,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:01,545 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:01,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:01,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:01,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:01,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:01,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:01,917 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:01,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 00:30:03,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:03,715 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:03,717 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-25 00:30:03,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a01198be9/941eff5e86764ae2bf1a33db88bd87f4/FLAG79cb47983 [2024-09-25 00:30:04,089 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a01198be9/941eff5e86764ae2bf1a33db88bd87f4 [2024-09-25 00:30:04,091 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:04,092 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:04,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-25 00:30:04,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:04,157 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:04,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:04,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:04,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:04,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:04" (1/2) ... [2024-09-25 00:30:04,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76206cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:04" (1/2) ... [2024-09-25 00:30:04,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@433c0ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,174 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 12:30:04" (2/2) ... [2024-09-25 00:30:04,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76206cc2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,174 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 12:30:04" (2/2) ... [2024-09-25 00:30:04,184 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:04,185 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 00:30:04,185 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:30:04,186 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:04,186 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:04,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:04,398 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-09-25 00:30:04,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:04,437 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:04,482 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:30:04,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:04,519 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:04,521 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:04 WrapperNode [2024-09-25 00:30:04,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:04,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:04,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:04,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:04,536 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,536 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,543 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,557 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:04,558 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,558 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,570 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,573 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,575 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,580 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:04,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:04,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:04,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:04,587 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 12:30:04" (1/1) ... [2024-09-25 00:30:04,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:04,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:04,618 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 00:30:04,621 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 00:30:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:04,754 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:04,757 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:04,783 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:04,826 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:05,330 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:05,353 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:05,383 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:05,383 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:05,384 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:05 BoogieIcfgContainer [2024-09-25 00:30:05,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:05,385 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:05,385 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:05,386 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:05,386 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:04" (1/4) ... [2024-09-25 00:30:05,387 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25c17eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,387 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 12:30:04" (2/4) ... [2024-09-25 00:30:05,387 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25c17eb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,387 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 12:30:04" (3/4) ... [2024-09-25 00:30:05,388 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25c17eb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,388 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 12:30:05" (4/4) ... [2024-09-25 00:30:05,390 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-25 00:30:05,395 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:05,396 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:05,397 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:05,397 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:05,397 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:30:05,397 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:05,397 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:30:05,398 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:05,398 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:05,398 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 00:30:05,398 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 00:30:05,398 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:05,398 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:05,399 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:30:05,399 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-25 00:30:05,470 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:05,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:05,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:05,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:05,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:05,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,484 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:05,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:05,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:05,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:05,490 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:05,508 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:05,531 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:05,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:05,532 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:05,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:05,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:05,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,536 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:05,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:05,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:05,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:05,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:05,541 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:05,578 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:05,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:05,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:05,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:05,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:05,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,596 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:05,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:05,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:05,596 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:05,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,641 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:09,672 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:09,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,672 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,674 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:09,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,674 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,676 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:09,690 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:09,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,693 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:09,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,693 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,693 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,694 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,695 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:09,723 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:09,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,783 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:09,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,789 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:09,803 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:09,804 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,804 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,804 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,823 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:09,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,824 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,873 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:13,899 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:13,899 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,899 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,900 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,901 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:13,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,903 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:13,913 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:13,913 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,916 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:13,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,916 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,919 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:13,927 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:13,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,928 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,929 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:13,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,932 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:13,940 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:13,941 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,941 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,941 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,941 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,943 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:13,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,944 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,944 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,944 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,946 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:13,961 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:13,961 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,962 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,962 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,967 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:13,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,993 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:14,010 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:30:14,011 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:14,011 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:14,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:14,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:14,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,035 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:30:14,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,035 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:14,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:14,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:14,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:18,145 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:18,173 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:18,174 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25c17eb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:18, skipping insertion in model container [2024-09-25 00:30:18,174 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:18,175 INFO L158 Benchmark]: Toolchain (without parser) took 14018.57ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 46.8MB in the beginning and 56.7MB in the end (delta: -9.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:18,176 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:18,176 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:18,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.05ms. Allocated memory is still 77.6MB. Free memory was 46.6MB in the beginning and 52.1MB in the end (delta: -5.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:18,177 INFO L158 Benchmark]: Boogie Preprocessor took 62.72ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 49.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:18,178 INFO L158 Benchmark]: RCFGBuilder took 798.91ms. Allocated memory is still 77.6MB. Free memory was 49.7MB in the beginning and 33.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:18,178 INFO L158 Benchmark]: Referee took 12789.19ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 33.3MB in the beginning and 56.7MB in the end (delta: -23.4MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:18,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.05ms. Allocated memory is still 77.6MB. Free memory was 46.6MB in the beginning and 52.1MB in the end (delta: -5.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.72ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 49.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.91ms. Allocated memory is still 77.6MB. Free memory was 49.7MB in the beginning and 33.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12789.19ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 33.3MB in the beginning and 56.7MB in the end (delta: -23.4MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:18,224 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...