This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:45:53,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:53,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:45:53,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:53,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:53,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:53,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:53,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:53,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:53,560 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:53,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:53,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:53,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:53,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:53,561 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:53,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:53,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:53,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:53,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:45:53,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:53,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:53,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:53,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:53,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:53,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:53,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:53,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:53,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:53,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:53,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:53,566 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:53,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:53,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:53,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:53,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:53,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:53,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:53,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:45:53,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:45:53,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:53,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:53,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:53,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:53,568 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:53,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:53,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:53,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:53,793 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:53,793 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:53,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/afnp2014.yml/witness-2.1.yml [2024-09-25 11:45:53,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:53,842 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:53,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/afnp2014.i [2024-09-25 11:45:54,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:55,148 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:55,148 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/afnp2014.i [2024-09-25 11:45:55,153 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c2c4a58c0/218900da2b2e4766b38cb401c69b5b04/FLAG1bbf57ae6 [2024-09-25 11:45:55,566 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c2c4a58c0/218900da2b2e4766b38cb401c69b5b04 [2024-09-25 11:45:55,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:55,569 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:55,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:55,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:55,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:55,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:53" (1/2) ... [2024-09-25 11:45:55,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3d9ada and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:55, skipping insertion in model container [2024-09-25 11:45:55,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:53" (1/2) ... [2024-09-25 11:45:55,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@192731a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:55, skipping insertion in model container [2024-09-25 11:45:55,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:55" (2/2) ... [2024-09-25 11:45:55,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3d9ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55, skipping insertion in model container [2024-09-25 11:45:55,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:55" (2/2) ... [2024-09-25 11:45:55,586 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:55,587 INFO L1541 ArrayList]: Loop invariant at [L27-L30] (((0 <= y) && (1 <= x)) && (y <= x)) [2024-09-25 11:45:55,587 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-09-25 11:45:55,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:55,707 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/afnp2014.i[895,908] [2024-09-25 11:45:55,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:55,720 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:45:55,747 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/afnp2014.i[895,908] Start Parsing Local [2024-09-25 11:45:55,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:55,762 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:55,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55 WrapperNode [2024-09-25 11:45:55,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:55,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:55,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:55,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:55,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,790 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 [2024-09-25 11:45:55,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:55,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:55,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:55,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:55,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (1/1) ... [2024-09-25 11:45:55,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:55,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:55,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:45:55,826 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:45:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:45:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:45:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:45:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:45:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:45:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:45:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:55,912 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:55,914 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:55,987 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:45:55,994 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:56,014 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:56,014 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:45:56,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:56 BoogieIcfgContainer [2024-09-25 11:45:56,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:56,015 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:56,015 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:56,015 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:56,015 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:53" (1/4) ... [2024-09-25 11:45:56,016 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3224cc71 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:56, skipping insertion in model container [2024-09-25 11:45:56,016 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:55" (2/4) ... [2024-09-25 11:45:56,016 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3224cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:56, skipping insertion in model container [2024-09-25 11:45:56,016 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55" (3/4) ... [2024-09-25 11:45:56,016 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3224cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:56, skipping insertion in model container [2024-09-25 11:45:56,016 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:56" (4/4) ... [2024-09-25 11:45:56,017 INFO L79 RefereeObserver]: Analyzing ICFG afnp2014.i [2024-09-25 11:45:56,020 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:45:56,021 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-6 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:45:56,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:45:56,021 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-6 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:45:56,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:45:56,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:45:56,022 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 11:45:56,048 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 11:45:56,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:56,050 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:56,050 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:56,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:56,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,076 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-25 11:45:56,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:56,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:56,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:56,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:56,095 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-6 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:56,101 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:45:56,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:56,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:56,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:56,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:56,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,103 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:45:56,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:56,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:56,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:56,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:56,110 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:56,119 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:45:56,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:56,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:56,119 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:56,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:56,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,130 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:45:56,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:56,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:56,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:56,133 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:56,136 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-6 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:56,140 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:45:56,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:56,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:56,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:56,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:56,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,143 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:45:56,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:56,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:56,144 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:56,145 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:56,146 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:45:56,150 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:45:56,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:56,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:56,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:56,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:56,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,153 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:45:56,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:56,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:56,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:56,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:56,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:56,156 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:45:56,160 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:45:56,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3224cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:45:56, skipping insertion in model container [2024-09-25 11:45:56,160 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:45:56,161 INFO L158 Benchmark]: Toolchain (without parser) took 592.25ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 82.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-25 11:45:56,162 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:56,162 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:56,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.94ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 111.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:45:56,163 INFO L158 Benchmark]: Boogie Preprocessor took 35.50ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:56,163 INFO L158 Benchmark]: RCFGBuilder took 214.48ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 97.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:45:56,164 INFO L158 Benchmark]: Referee took 145.65ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 82.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:45:56,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.94ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 111.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.50ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 214.48ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 97.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 145.65ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 82.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:45:56,185 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...