This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:08:05,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:05,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:05,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:05,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:05,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:05,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:05,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:05,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:05,872 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:05,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:05,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:05,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:05,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:05,874 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:05,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:05,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:05,875 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:05,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:05,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:05,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:05,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:05,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:05,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:05,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:05,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:05,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:05,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:05,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:05,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:05,881 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:05,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:05,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:05,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:05,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:05,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:05,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:05,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:05,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:05,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:05,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:05,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:05,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:05,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:06,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:06,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:06,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:06,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:06,081 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:06,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2024-09-21 19:08:07,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:07,630 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:07,630 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2024-09-21 19:08:07,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d34b101f5/02eee39dd0dc4188b7d4ca59477e7e9f/FLAG99bb9414b [2024-09-21 19:08:08,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d34b101f5/02eee39dd0dc4188b7d4ca59477e7e9f [2024-09-21 19:08:08,048 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:08,049 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:08,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/benchmark25_linear.yml/output/witness-2.1.yml [2024-09-21 19:08:08,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:08,117 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:08,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:08,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:08,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:08,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:08" (1/2) ... [2024-09-21 19:08:08,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67221397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:08, skipping insertion in model container [2024-09-21 19:08:08,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:08" (1/2) ... [2024-09-21 19:08:08,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@790451a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:08, skipping insertion in model container [2024-09-21 19:08:08,126 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 07:08:08" (2/2) ... [2024-09-21 19:08:08,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67221397 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:08, skipping insertion in model container [2024-09-21 19:08:08,127 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 07:08:08" (2/2) ... [2024-09-21 19:08:08,135 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:08,137 INFO L1541 ArrayList]: Loop invariant at [L22-L24] 1 [2024-09-21 19:08:08,137 INFO L1541 ArrayList]: Function contract at [L14]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:08,137 INFO L1541 ArrayList]: Function contract at [L19]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:08,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:08,264 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-zilu/benchmark25_linear.i[868,881] [2024-09-21 19:08:08,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:08,309 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:08:08,365 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-zilu/benchmark25_linear.i[868,881] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:08:08,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:08,396 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:08,403 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:08 WrapperNode [2024-09-21 19:08:08,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:08,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:08,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:08,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:08,422 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,422 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,430 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,438 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:08:08,438 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,438 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,441 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,445 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,450 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,450 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:08,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:08,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:08,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:08,454 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 07:08:08" (1/1) ... [2024-09-21 19:08:08,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:08,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:08,478 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 19:08:08,484 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 19:08:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:08,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:08,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:08:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:08:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:08,572 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:08,574 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:08,595 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:08,637 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:08,644 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:08,666 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:08,666 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:08:08,667 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:08 BoogieIcfgContainer [2024-09-21 19:08:08,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:08,667 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:08,667 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:08,668 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:08,668 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:08" (1/4) ... [2024-09-21 19:08:08,669 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b86ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:08, skipping insertion in model container [2024-09-21 19:08:08,669 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 07:08:08" (2/4) ... [2024-09-21 19:08:08,669 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b86ee9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:08, skipping insertion in model container [2024-09-21 19:08:08,669 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 07:08:08" (3/4) ... [2024-09-21 19:08:08,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b86ee9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:08, skipping insertion in model container [2024-09-21 19:08:08,670 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 07:08:08" (4/4) ... [2024-09-21 19:08:08,671 INFO L79 RefereeObserver]: Analyzing ICFG benchmark25_linear.i [2024-09-21 19:08:08,677 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:08:08,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:08:08,678 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:08:08,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:08,678 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:08,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:08:08,678 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 19:08:08,678 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 19:08:08,678 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 19:08:08,679 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from procedure entry to error location [2024-09-21 19:08:08,719 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:08,720 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,720 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,737 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:08,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,755 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:08,764 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:08,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,768 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:08,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,772 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,777 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:08,785 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:08:08,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,787 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:08:08,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,790 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,791 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:08,795 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:08,795 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,795 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,795 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,795 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,797 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:08,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,797 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,798 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,799 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:08,802 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:08:08,802 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,809 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:08:08,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,811 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:08,815 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:08,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,818 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:08,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,820 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:08,825 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:08,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,831 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:08,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,835 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:08,838 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:08,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:08,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:08,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:08,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:08,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,843 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:08,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:08,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:08,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:08,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:08,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:08,858 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:08:08,859 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b86ee9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:08, skipping insertion in model container [2024-09-21 19:08:08,859 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:08,861 INFO L158 Benchmark]: Toolchain (without parser) took 743.42ms. Allocated memory is still 153.1MB. Free memory was 82.6MB in the beginning and 94.1MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:08,861 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 107.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:08,862 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:08,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.01ms. Allocated memory is still 153.1MB. Free memory was 82.3MB in the beginning and 121.3MB in the end (delta: -39.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-09-21 19:08:08,863 INFO L158 Benchmark]: Boogie Preprocessor took 47.09ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:08:08,864 INFO L158 Benchmark]: RCFGBuilder took 215.00ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 108.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:08,864 INFO L158 Benchmark]: Referee took 191.99ms. Allocated memory is still 153.1MB. Free memory was 108.2MB in the beginning and 94.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:08,866 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 16. 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 __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 22. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 22 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 107.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.01ms. Allocated memory is still 153.1MB. Free memory was 82.3MB in the beginning and 121.3MB in the end (delta: -39.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.09ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 215.00ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 108.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 191.99ms. Allocated memory is still 153.1MB. Free memory was 108.2MB in the beginning and 94.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:08:08,887 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...