This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:54,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:54,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:54,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:54,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:54,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:54,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:54,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:54,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:54,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:54,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:54,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:54,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:54,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:54,958 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:54,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:54,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:54,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:54,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:54,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:54,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:54,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:54,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:54,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:54,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:54,963 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:54,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:54,963 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:54,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:54,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:54,963 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:54,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:54,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:54,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:54,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:54,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:54,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:54,965 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:54,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:54,965 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:54,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:54,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:54,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:54,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:55,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:55,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:55,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:55,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:55,208 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:55,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/ddlm2013.i [2024-09-21 19:06:56,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:56,599 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:56,600 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/ddlm2013.i [2024-09-21 19:06:56,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/04f8f85f2/d42c21628d0446f691f5841ea92c252f/FLAG906a9a737 [2024-09-21 19:06:56,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/04f8f85f2/d42c21628d0446f691f5841ea92c252f [2024-09-21 19:06:56,629 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:56,630 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:56,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/ddlm2013.yml/output/witness-2.1.yml [2024-09-21 19:06:56,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:56,674 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:56,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:56,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:56,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:56,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:56" (1/2) ... [2024-09-21 19:06:56,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3737195e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:56, skipping insertion in model container [2024-09-21 19:06:56,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:56" (1/2) ... [2024-09-21 19:06:56,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@373ba2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:56, skipping insertion in model container [2024-09-21 19:06:56,685 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 07:06:56" (2/2) ... [2024-09-21 19:06:56,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3737195e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:56, skipping insertion in model container [2024-09-21 19:06:56,686 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 07:06:56" (2/2) ... [2024-09-21 19:06:56,695 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:56,696 INFO L1541 ArrayList]: Loop invariant at [L35-L44] 1 [2024-09-21 19:06:56,697 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:56,697 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures 1 [2024-09-21 19:06:56,697 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:56,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:56,842 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/loop-lit/ddlm2013.i[895,908] [2024-09-21 19:06:56,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:56,863 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:06:56,953 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/loop-lit/ddlm2013.i[895,908] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:56,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:56,973 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:56,974 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:56 WrapperNode [2024-09-21 19:06:56,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:56,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:56,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:56,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:56,985 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 07:06:56" (1/1) ... [2024-09-21 19:06:56,985 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 07:06:56" (1/1) ... [2024-09-21 19:06:56,992 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,006 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:57,006 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,007 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,011 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,015 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,016 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,017 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:57,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:57,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:57,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:57,023 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 07:06:56" (1/1) ... [2024-09-21 19:06:57,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:57,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:57,051 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 19:06:57,053 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 19:06:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:57,149 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:57,151 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:57,154 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:57,186 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:57,237 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:57,244 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:57,266 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:57,267 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:06:57,267 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:57 BoogieIcfgContainer [2024-09-21 19:06:57,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:57,268 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:57,268 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:57,269 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:57,269 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:56" (1/4) ... [2024-09-21 19:06:57,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe26b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:57, skipping insertion in model container [2024-09-21 19:06:57,270 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 07:06:56" (2/4) ... [2024-09-21 19:06:57,270 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe26b48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:57, skipping insertion in model container [2024-09-21 19:06:57,270 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 07:06:56" (3/4) ... [2024-09-21 19:06:57,270 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe26b48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:57, skipping insertion in model container [2024-09-21 19:06:57,270 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 07:06:57" (4/4) ... [2024-09-21 19:06:57,271 INFO L79 RefereeObserver]: Analyzing ICFG ddlm2013.i [2024-09-21 19:06:57,274 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:06:57,275 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:06:57,275 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:06:57,275 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 19:06:57,276 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:06:57,276 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:57,276 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:57,276 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 19:06:57,276 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 19:06:57,276 INFO L131 InvariantChecker]: Will check 2 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, 4 loop-free subgraphs from procedure entry to error location [2024-09-21 19:06:57,309 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:06:57,310 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,311 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,323 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 19:06:57,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,325 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,327 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,337 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:57,348 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:57,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,351 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,359 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:57,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,362 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,363 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,368 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:57,376 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:06:57,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,387 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-21 19:06:57,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,392 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:57,403 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:06:57,403 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,403 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,412 INFO L101 BaseMinimizeStates]: Removed 21 edges and 6 locations by large block encoding [2024-09-21 19:06:57,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,428 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:57,437 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:57,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,438 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:57,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,446 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:57,456 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:57,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,457 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:57,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,458 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,458 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,458 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,459 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:57,464 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:57,464 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,464 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,466 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:57,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,466 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,468 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:57,472 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:57,472 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:57,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:57,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:57,473 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:57,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,474 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:57,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:57,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:57,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:57,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:57,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:57,486 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:57,486 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe26b48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:57, skipping insertion in model container [2024-09-21 19:06:57,486 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:57,488 INFO L158 Benchmark]: Toolchain (without parser) took 813.70ms. Allocated memory is still 188.7MB. Free memory was 118.3MB in the beginning and 124.1MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:57,488 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:57,488 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:57,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 188.7MB. Free memory was 118.1MB in the beginning and 158.8MB in the end (delta: -40.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:57,489 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 188.7MB. Free memory was 158.8MB in the beginning and 156.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:57,489 INFO L158 Benchmark]: RCFGBuilder took 245.35ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 143.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:57,490 INFO L158 Benchmark]: Referee took 218.52ms. Allocated memory is still 188.7MB. Free memory was 143.9MB in the beginning and 124.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 19:06:57,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to exit of procedure main. 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 loop head at line 24 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 188.7MB. Free memory was 118.1MB in the beginning and 158.8MB in the end (delta: -40.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 188.7MB. Free memory was 158.8MB in the beginning and 156.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 245.35ms. Allocated memory is still 188.7MB. Free memory was 156.5MB in the beginning and 143.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 218.52ms. Allocated memory is still 188.7MB. Free memory was 143.9MB in the beginning and 124.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:57,516 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...