This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:49,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:49,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:49,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:49,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:49,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:49,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:49,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:49,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:49,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:49,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:49,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:49,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:49,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:49,703 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:49,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:49,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:49,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:49,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:49,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:49,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:49,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:49,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:49,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:49,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:49,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:49,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:49,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:49,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:49,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:49,708 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:49,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:49,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:49,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:49,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:49,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:49,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:49,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:49,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:49,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:49,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:49,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:49,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:49,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:49,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:49,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:49,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:49,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:49,949 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:49,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-21 12:49:51,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:51,345 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:51,346 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-21 12:49:51,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/263b4b55d/cfa0db0cb2254943aa6268d0588a6802/FLAGf160604dd [2024-09-21 12:49:51,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/263b4b55d/cfa0db0cb2254943aa6268d0588a6802 [2024-09-21 12:49:51,364 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:51,364 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:51,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-21 12:49:51,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:51,410 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:51,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:51,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:51,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:51,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:51" (1/2) ... [2024-09-21 12:49:51,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afec9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:51, skipping insertion in model container [2024-09-21 12:49:51,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:51" (1/2) ... [2024-09-21 12:49:51,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18fdd54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:51, skipping insertion in model container [2024-09-21 12:49:51,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:51" (2/2) ... [2024-09-21 12:49:51,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afec9d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:51, skipping insertion in model container [2024-09-21 12:49:51,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:51" (2/2) ... [2024-09-21 12:49:51,428 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:51,430 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)) [2024-09-21 12:49:51,430 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:51,430 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:49:51,431 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:51,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:51,599 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_unwindbound100.c[537,550] [2024-09-21 12:49:51,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:51,629 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:51,661 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:49:51,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:51,688 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:51,689 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:51 WrapperNode [2024-09-21 12:49:51,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:51,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:51,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:51,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:51,702 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,702 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,712 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,724 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 [2024-09-21 12:49:51,724 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,724 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,729 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,733 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,734 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,735 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:51,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:51,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:51,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:51,738 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 21.09 12:49:51" (1/1) ... [2024-09-21 12:49:51,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:51,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:51,762 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) [2024-09-21 12:49:51,764 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 [2024-09-21 12:49:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:51,853 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:51,854 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:51,872 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:51,897 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:52,047 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:52,071 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:52,095 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:52,096 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:52,096 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:52 BoogieIcfgContainer [2024-09-21 12:49:52,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:52,097 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:52,097 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:52,098 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:52,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:51" (1/4) ... [2024-09-21 12:49:52,099 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d38c8c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:52, skipping insertion in model container [2024-09-21 12:49:52,100 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:51" (2/4) ... [2024-09-21 12:49:52,100 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d38c8c1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:52, skipping insertion in model container [2024-09-21 12:49:52,100 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 21.09 12:49:51" (3/4) ... [2024-09-21 12:49:52,100 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d38c8c1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:52, skipping insertion in model container [2024-09-21 12:49:52,100 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:52" (4/4) ... [2024-09-21 12:49:52,102 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-21 12:49:52,105 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:52,106 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. [2024-09-21 12:49:52,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:52,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:52,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:52,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:52,107 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:52,107 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:52,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:52,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:52,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:52,108 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:52,108 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:52,108 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:52,109 INFO L131 InvariantChecker]: Will check 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, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:49:52,143 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:52,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:52,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:52,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:52,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:52,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:52,161 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:52,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:52,162 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:52,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:52,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:52,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:52,177 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:52,203 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:52,203 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:52,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:52,203 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:52,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:52,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:52,205 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:52,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:52,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:52,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:52,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:52,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:52,208 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:52,231 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:52,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:52,233 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:52,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:52,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:52,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:52,251 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:52,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:52,252 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:52,252 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:52,252 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:52,252 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:56,256 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:56,269 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:56,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:56,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:56,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:56,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:56,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,270 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:56,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,271 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:56,271 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:56,271 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:56,271 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:56,273 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:56,282 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:56,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:56,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:56,283 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:56,283 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:56,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,284 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:56,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:56,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:56,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:56,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:56,288 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:56,302 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:56,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:56,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:56,302 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:56,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:56,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,339 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:56,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:56,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:56,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:56,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:56,342 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:56,352 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:56,352 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:56,352 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:56,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:56,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:56,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,367 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:56,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:56,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:56,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:56,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:56,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,381 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:00,390 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:00,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,391 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,391 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,391 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:00,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,392 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,398 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:00,404 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:00,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,405 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,407 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:00,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,409 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:00,416 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:00,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,416 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,416 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,417 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:00,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,418 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,420 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:00,427 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:00,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,429 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:00,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,430 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,430 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,430 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,431 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:00,437 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:00,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,440 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:00,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,441 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,443 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:00,449 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:00,449 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,449 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,449 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,449 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,481 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:00,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,481 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:04,500 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:04,505 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:04,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d38c8c1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:04, skipping insertion in model container [2024-09-21 12:50:04,506 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:04,508 INFO L158 Benchmark]: Toolchain (without parser) took 13096.82ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 54.9MB in the beginning and 134.4MB in the end (delta: -79.4MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:04,508 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:04,508 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 125.8MB. Free memory was 57.0MB in the beginning and 56.8MB in the end (delta: 151.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:04,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.07ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 54.8MB in the beginning and 137.1MB in the end (delta: -82.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:04,509 INFO L158 Benchmark]: Boogie Preprocessor took 45.91ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:04,509 INFO L158 Benchmark]: RCFGBuilder took 359.48ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 117.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:04,510 INFO L158 Benchmark]: Referee took 12408.75ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 134.4MB in the end (delta: -17.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:04,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to 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 28. 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 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 __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 25. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 125.8MB. Free memory was 57.0MB in the beginning and 56.8MB in the end (delta: 151.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.07ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 54.8MB in the beginning and 137.1MB in the end (delta: -82.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.91ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.48ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 117.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12408.75ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 134.4MB in the end (delta: -17.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:04,537 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:06,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:06,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:06,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:06,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:06,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:06,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:06,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:06,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:06,431 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:06,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:06,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:06,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:06,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:06,432 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:06,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:06,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:06,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:06,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:06,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:06,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:06,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:06,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:06,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:06,440 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:06,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:06,440 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:06,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:06,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:06,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:06,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:06,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:06,441 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:06,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:06,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:06,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:06,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:06,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:06,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:06,442 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:06,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:06,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:06,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:06,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:06,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:06,444 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:06,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:06,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:06,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:06,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:06,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:06,715 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:06,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-21 12:50:08,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:08,165 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:08,165 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-21 12:50:08,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ed18e6a93/d03772d33f794a65b7963e04ae28a01c/FLAGf90e9e7c9 [2024-09-21 12:50:08,191 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ed18e6a93/d03772d33f794a65b7963e04ae28a01c [2024-09-21 12:50:08,193 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:08,194 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:08,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-21 12:50:08,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:08,243 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:08,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:08,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:08,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:08,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:08" (1/2) ... [2024-09-21 12:50:08,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48289aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:08" (1/2) ... [2024-09-21 12:50:08,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@84364c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:08" (2/2) ... [2024-09-21 12:50:08,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48289aeb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:08" (2/2) ... [2024-09-21 12:50:08,269 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:08,271 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)) [2024-09-21 12:50:08,271 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:50:08,271 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:50:08,271 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:08,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:08,418 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_unwindbound100.c[537,550] [2024-09-21 12:50:08,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,452 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:08,484 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:50:08,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,518 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:08,519 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:08 WrapperNode [2024-09-21 12:50:08,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:08,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:08,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:08,534 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,535 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,543 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,560 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 [2024-09-21 12:50:08,560 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,560 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,572 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,577 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,579 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,584 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:08,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:08,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:08,590 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:08,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:08,630 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) [2024-09-21 12:50:08,640 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 [2024-09-21 12:50:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:08,766 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:08,768 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:08,788 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:08,817 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:09,329 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:09,343 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:09,367 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:09,367 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:09,367 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:09 BoogieIcfgContainer [2024-09-21 12:50:09,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:09,368 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:09,368 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:09,369 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:09,369 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:08" (1/4) ... [2024-09-21 12:50:09,369 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@740041c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:09, skipping insertion in model container [2024-09-21 12:50:09,369 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:08" (2/4) ... [2024-09-21 12:50:09,369 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@740041c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:09, skipping insertion in model container [2024-09-21 12:50:09,369 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 21.09 12:50:08" (3/4) ... [2024-09-21 12:50:09,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@740041c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:09, skipping insertion in model container [2024-09-21 12:50:09,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:09" (4/4) ... [2024-09-21 12:50:09,370 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-21 12:50:09,374 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:09,374 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. [2024-09-21 12:50:09,374 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:09,374 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:09,375 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:50:09,375 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:09,375 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:50:09,375 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:50:09,375 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:09,375 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:09,375 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:09,376 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:09,376 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:09,376 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:50:09,376 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-21 12:50:09,416 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:09,417 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:09,417 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:09,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:09,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:09,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,427 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:09,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,428 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:09,428 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:09,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:09,430 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:09,460 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:09,496 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:09,496 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:09,497 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:09,497 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:09,497 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:09,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,502 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:09,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:09,506 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:09,506 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:09,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:09,507 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:09,534 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:09,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:09,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:09,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:09,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:09,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,549 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:09,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:09,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:09,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:09,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,602 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:13,644 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:50:13,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,644 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,645 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:50:13,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,646 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,647 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:13,657 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:13,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,663 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:13,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,664 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,665 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:13,683 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:50:13,685 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,685 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,685 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,712 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:50:13,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,714 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:13,725 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:50:13,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,726 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,739 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:50:13,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,743 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,776 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:17,802 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:17,804 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,804 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,804 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,805 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:17,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,807 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,807 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,807 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,811 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:17,820 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:17,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,823 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:17,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,824 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,824 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,825 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:17,831 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:17,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,833 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:17,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,834 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:17,840 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:17,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,842 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:17,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,842 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,844 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:17,852 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:17,853 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,853 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,853 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,853 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,856 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:17,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,857 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,857 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,857 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,857 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,875 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:17,885 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:17,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,906 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:17,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,907 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,907 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,907 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,912 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:21,998 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:22,029 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:22,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@740041c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:22, skipping insertion in model container [2024-09-21 12:50:22,030 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:22,031 INFO L158 Benchmark]: Toolchain (without parser) took 13787.20ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 29.5MB in the end (delta: 12.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:22,031 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:22,032 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:22,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.73ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 48.9MB in the end (delta: -7.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:22,032 INFO L158 Benchmark]: Boogie Preprocessor took 67.23ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:22,033 INFO L158 Benchmark]: RCFGBuilder took 779.45ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 30.2MB in the end (delta: 16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:22,033 INFO L158 Benchmark]: Referee took 12661.82ms. Allocated memory is still 81.8MB. Free memory was 30.2MB in the beginning and 29.5MB in the end (delta: 656.0kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:22,035 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 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. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. 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 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 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 main to check that procedure precondition always holds at line 26. 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. 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 0.29ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.73ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 48.9MB in the end (delta: -7.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.23ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 779.45ms. Allocated memory is still 81.8MB. Free memory was 46.8MB in the beginning and 30.2MB in the end (delta: 16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12661.82ms. Allocated memory is still 81.8MB. Free memory was 30.2MB in the beginning and 29.5MB in the end (delta: 656.0kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:22,079 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...