This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:20,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:20,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:20,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:20,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:20,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:20,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:20,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:20,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:20,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:20,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:20,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:20,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:20,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:20,995 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:20,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:20,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:20,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:20,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:20,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:20,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:21,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:21,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:21,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:21,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:21,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:21,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:21,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:21,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:21,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:21,006 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:21,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:21,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:21,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:21,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:21,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:21,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:21,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:21,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:21,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:21,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:21,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:21,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:21,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:21,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:21,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:21,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:21,312 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:21,312 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:21,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/half.yml/output/witness-2.1.yml [2024-09-21 19:07:21,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:21,374 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:21,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/half.i [2024-09-21 19:07:22,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:23,036 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:23,037 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/half.i [2024-09-21 19:07:23,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/40eddd02d/168438ee73b048c388d3a3fbbb7b0f6a/FLAG1a6600f6e [2024-09-21 19:07:23,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/40eddd02d/168438ee73b048c388d3a3fbbb7b0f6a [2024-09-21 19:07:23,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:23,380 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:23,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:23,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:23,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:23,389 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 07:07:21" (1/2) ... [2024-09-21 19:07:23,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2527b742 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:23, skipping insertion in model container [2024-09-21 19:07:23,390 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 07:07:21" (1/2) ... [2024-09-21 19:07:23,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7aa186c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:23, skipping insertion in model container [2024-09-21 19:07:23,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:23" (2/2) ... [2024-09-21 19:07:23,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2527b742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23, skipping insertion in model container [2024-09-21 19:07:23,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:23" (2/2) ... [2024-09-21 19:07:23,403 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:23,404 INFO L1541 ArrayList]: Loop invariant at [L29-L33] 1 [2024-09-21 19:07:23,404 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:23,404 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures 1 [2024-09-21 19:07:23,404 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:23,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:23,562 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-new/half.i[891,904] [2024-09-21 19:07:23,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:23,593 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:07:23,634 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-new/half.i[891,904] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:07:23,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:23,658 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:23,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23 WrapperNode [2024-09-21 19:07:23,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:23,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:23,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:23,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:23,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,692 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 19:07:23,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:23,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:23,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:23,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:23,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (1/1) ... [2024-09-21 19:07:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:23,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:23,748 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 19:07:23,755 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 19:07:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:07:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:07:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:07:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:07:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:07:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:23,879 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:23,881 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:23,885 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:23,927 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:23,983 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:23,991 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:24,019 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:24,019 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:07:24,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:24 BoogieIcfgContainer [2024-09-21 19:07:24,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:24,022 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:24,022 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:24,023 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:24,024 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 07:07:21" (1/4) ... [2024-09-21 19:07:24,024 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5de692df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:24, skipping insertion in model container [2024-09-21 19:07:24,025 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:23" (2/4) ... [2024-09-21 19:07:24,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5de692df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:24, skipping insertion in model container [2024-09-21 19:07:24,026 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:23" (3/4) ... [2024-09-21 19:07:24,026 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5de692df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:24, skipping insertion in model container [2024-09-21 19:07:24,027 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:24" (4/4) ... [2024-09-21 19:07:24,028 INFO L79 RefereeObserver]: Analyzing ICFG half.i [2024-09-21 19:07:24,033 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:07:24,034 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:07:24,034 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 19:07:24,034 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 19:07:24,034 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:24,035 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-4 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:07:24,035 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 19:07:24,035 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 19:07:24,035 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 19:07:24,035 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 19:07:24,036 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-21 19:07:24,070 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:07:24,071 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,072 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,081 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:07:24,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,083 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,102 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:24,114 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:24,117 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,118 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,118 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,123 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:24,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,129 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:24,138 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:07:24,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,161 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 19:07:24,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,162 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,167 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:24,178 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:24,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,184 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:24,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,188 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,188 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,190 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:24,203 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:07:24,203 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,203 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,211 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:07:24,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,215 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-4 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:24,226 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:07:24,229 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,229 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,230 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:07:24,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,231 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,231 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,233 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:24,241 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:24,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,245 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:24,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,247 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,249 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:24,259 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:24,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,262 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,262 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,266 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:24,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,267 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,267 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,268 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,271 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:24,279 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:24,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:24,281 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:24,281 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:24,281 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:24,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,283 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:24,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:24,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:24,284 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:24,284 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:24,284 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:24,297 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:24,298 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5de692df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:24, skipping insertion in model container [2024-09-21 19:07:24,298 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:24,301 INFO L158 Benchmark]: Toolchain (without parser) took 919.31ms. Allocated memory is still 184.5MB. Free memory was 154.1MB in the beginning and 106.4MB in the end (delta: 47.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-21 19:07:24,301 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:24,302 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:24,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.53ms. Allocated memory is still 184.5MB. Free memory was 154.1MB in the beginning and 139.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:24,303 INFO L158 Benchmark]: Boogie Preprocessor took 47.68ms. Allocated memory is still 184.5MB. Free memory was 139.8MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:24,304 INFO L158 Benchmark]: RCFGBuilder took 312.60ms. Allocated memory is still 184.5MB. Free memory was 137.8MB in the beginning and 125.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:07:24,305 INFO L158 Benchmark]: Referee took 276.59ms. Allocated memory is still 184.5MB. Free memory was 125.2MB in the beginning and 106.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:07:24,307 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 loop head at line 29 to loop head at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to exit of procedure main. 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 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. 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: * Witness Parser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.53ms. Allocated memory is still 184.5MB. Free memory was 154.1MB in the beginning and 139.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.68ms. Allocated memory is still 184.5MB. Free memory was 139.8MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.60ms. Allocated memory is still 184.5MB. Free memory was 137.8MB in the beginning and 125.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 276.59ms. Allocated memory is still 184.5MB. Free memory was 125.2MB in the beginning and 106.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:24,340 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...