This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:21,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:21,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:21,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:21,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:21,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:21,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:21,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:21,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:21,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:21,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:21,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:21,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:21,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:21,828 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:21,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:21,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:21,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:21,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:21,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:21,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:21,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:21,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:21,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:21,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:21,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:21,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:21,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:21,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:21,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:21,834 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:21,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:21,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:21,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:21,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:21,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:21,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:21,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:21,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:21,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:21,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:21,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:21,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:21,837 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:22,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:22,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:22,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:22,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:22,091 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:22,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-09-21 12:48:23,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:23,479 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:23,480 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-09-21 12:48:23,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/65f12cfa8/cfb600e32cb8422f86d3e3cee2cd1a73/FLAG1639bcc6c [2024-09-21 12:48:23,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/65f12cfa8/cfb600e32cb8422f86d3e3cee2cd1a73 [2024-09-21 12:48:23,508 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:23,509 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:23,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark19_conjunctive.yml/witness-2.1.yml [2024-09-21 12:48:23,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:23,558 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:23,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:23,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:23,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:23,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:23" (1/2) ... [2024-09-21 12:48:23,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca4e17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:23, skipping insertion in model container [2024-09-21 12:48:23,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:23" (1/2) ... [2024-09-21 12:48:23,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32b6b2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:23, skipping insertion in model container [2024-09-21 12:48:23,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:23" (2/2) ... [2024-09-21 12:48:23,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca4e17b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23, skipping insertion in model container [2024-09-21 12:48:23,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:23" (2/2) ... [2024-09-21 12:48:23,580 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:23,580 INFO L1541 ArrayList]: Loop invariant at [L24-L26] (((1 <= n) && (0 <= k)) && (k == j)) [2024-09-21 12:48:23,581 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:23,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:23,745 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/benchmark19_conjunctive.i[873,886] [2024-09-21 12:48:23,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:23,770 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:23,809 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/benchmark19_conjunctive.i[873,886] Start Parsing Local [2024-09-21 12:48:23,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:23,829 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:23,829 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23 WrapperNode [2024-09-21 12:48:23,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:23,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:23,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:23,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:23,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,855 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 12:48:23,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:23,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:23,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:23,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:23,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (1/1) ... [2024-09-21 12:48:23,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:23,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:23,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:48:23,901 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:48:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 12:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:24,046 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:24,048 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:24,177 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:24,190 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:24,215 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:24,216 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:24,216 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:24 BoogieIcfgContainer [2024-09-21 12:48:24,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:24,217 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:24,217 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:24,218 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:24,219 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:23" (1/4) ... [2024-09-21 12:48:24,219 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43568cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:24, skipping insertion in model container [2024-09-21 12:48:24,220 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:23" (2/4) ... [2024-09-21 12:48:24,220 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43568cba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:24, skipping insertion in model container [2024-09-21 12:48:24,220 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:23" (3/4) ... [2024-09-21 12:48:24,220 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43568cba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:24, skipping insertion in model container [2024-09-21 12:48:24,221 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:24" (4/4) ... [2024-09-21 12:48:24,222 INFO L79 RefereeObserver]: Analyzing ICFG benchmark19_conjunctive.i [2024-09-21 12:48:24,225 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:24,226 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:24,226 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 12:48:24,226 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 12:48:24,226 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:24,227 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:24,227 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-21 12:48:24,264 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:48:24,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:24,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:24,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:24,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:24,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,280 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:48:24,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,281 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:24,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:24,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:24,289 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:24,305 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:24,319 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:24,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:24,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:24,321 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:24,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:24,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,326 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:24,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:24,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:24,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:24,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:24,337 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:24,346 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:24,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:24,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:24,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:24,350 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:24,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,353 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:24,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,355 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:24,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:24,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:24,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:24,359 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:24,368 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:24,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:24,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:24,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:24,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:24,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,374 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:24,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:24,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:24,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:24,376 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:24,378 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:24,382 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:24,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:24,385 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:24,385 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:24,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:24,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,387 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:24,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:24,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:24,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:24,387 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:24,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:24,390 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:24,393 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:48:24,394 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43568cba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:24, skipping insertion in model container [2024-09-21 12:48:24,395 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:24,396 INFO L158 Benchmark]: Toolchain (without parser) took 837.66ms. Allocated memory is still 153.1MB. Free memory was 118.5MB in the beginning and 105.8MB in the end (delta: 12.7MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:24,397 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 109.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:24,397 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:24,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.99ms. Allocated memory is still 153.1MB. Free memory was 117.5MB in the beginning and 104.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:24,398 INFO L158 Benchmark]: Boogie Preprocessor took 37.20ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:24,399 INFO L158 Benchmark]: RCFGBuilder took 348.06ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 118.4MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:48:24,399 INFO L158 Benchmark]: Referee took 177.60ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 105.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:24,401 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 24 to check that procedure precondition always holds at line 24. 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 24. 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 16. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 109.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.99ms. Allocated memory is still 153.1MB. Free memory was 117.5MB in the beginning and 104.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.20ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.06ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 118.4MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 177.60ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 105.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:48:24,432 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...