This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:08,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:08,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:08,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:08,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:08,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:08,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:08,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:08,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:08,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:08,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:08,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:08,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:08,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:08,494 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:08,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:08,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:08,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:08,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:08,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:08,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:08,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:08,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:08,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:08,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:08,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:08,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:08,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:08,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:08,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:08,502 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:08,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:08,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:08,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:08,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:08,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:08,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:08,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:08,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:08,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:08,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:08,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:08,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:08,509 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:08,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:08,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:08,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:08,780 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:08,781 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:08,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/sum03-2.yml/output/witness-2.1.yml [2024-09-21 19:06:08,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:08,839 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:08,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/sum03-2.i [2024-09-21 19:06:10,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:10,432 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:10,432 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/sum03-2.i [2024-09-21 19:06:10,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/932d9794f/f1417b70f7774190a3b7a7b322ac12c2/FLAG92b93c774 [2024-09-21 19:06:10,454 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/932d9794f/f1417b70f7774190a3b7a7b322ac12c2 [2024-09-21 19:06:10,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:10,455 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:10,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:10,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:10,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:10,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:08" (1/2) ... [2024-09-21 19:06:10,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1424db3f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:10, skipping insertion in model container [2024-09-21 19:06:10,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:08" (1/2) ... [2024-09-21 19:06:10,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18f71b4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:10, skipping insertion in model container [2024-09-21 19:06:10,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:10" (2/2) ... [2024-09-21 19:06:10,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1424db3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10, skipping insertion in model container [2024-09-21 19:06:10,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:10" (2/2) ... [2024-09-21 19:06:10,471 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:10,472 INFO L1541 ArrayList]: Loop invariant at [L24-L28] ( ( ! ( x == 0 ) ) && ( ( ! ( sn == 0 ) ) && ( ( ! ( sn == 2 ) ) && ( ( ! ( x == 1 ) ) && ( sn == ( x << 1 ) ) ) ) ) ) || ( ( ! ( x == 0 ) ) && ( ( ! ( sn == 0 ) ) && ( ( sn == 2 ) && ( ( x == 1 ) && ( sn == ( x << 1 ) ) ) ) ) ) || ( ( x == 0 ) && ( ( sn == 0 ) && ( ( ! ( sn == 2 ) ) && ( ( ! ( x == 1 ) ) && ( sn == ( x << 1 ) ) ) ) ) ) || ( ( ( ! ( x == 0 ) ) || ( ( sn == 0 ) && ( ( ! ( sn == 2 ) ) && ( ( ! ( x == 1 ) ) && ( sn == ( x << 1 ) ) ) ) ) ) && ( ( x == 0 ) || ( ( ! ( sn == 2 ) ) && ( ( ! ( x == 1 ) ) && ( sn == ( x << 1 ) ) ) ) ) ) || ( ( ( ! ( x == 0 ) ) || ( ( sn == 0 ) && ( ( ! ( sn == 2 ) ) && ( ( ! ( x == 1 ) ) && ( sn == ( x << 1 ) ) ) ) ) ) && ( ( x == 0 ) || ( ( ( ! ( sn == 0 ) ) || ( ( ! ( sn == 2 ) ) && ( ( ! ( x == 1 ) ) && ( sn == ( x << 1 ) ) ) ) ) && ( ( sn == 0 ) || ( ( ( ! ( sn == 2 ) ) || ( sn == ( x << 1 ) ) ) && ( ( sn == 2 ) || ( ( ! ( x == 1 ) ) && ( sn == ( x << 1 ) ) ) ) ) ) ) ) ) [2024-09-21 19:06:10,472 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:10,472 INFO L1541 ArrayList]: Function contract at [L20]: requires 1, ensures 1 [2024-09-21 19:06:10,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:10,625 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/loops/sum03-2.i[807,820] [2024-09-21 19:06:10,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:10,656 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:10,697 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/loops/sum03-2.i[807,820] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:10,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:10,739 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:10,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10 WrapperNode [2024-09-21 19:06:10,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:10,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:10,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:10,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:10,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,776 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:10,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:10,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:10,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:10,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:10,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (1/1) ... [2024-09-21 19:06:10,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:10,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:10,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:06:10,841 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:06:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:06:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:10,948 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:10,951 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:10,978 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:11,071 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:11,081 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:11,100 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:11,100 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:06:11,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:11 BoogieIcfgContainer [2024-09-21 19:06:11,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:11,102 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:11,102 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:11,103 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:11,103 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:08" (1/4) ... [2024-09-21 19:06:11,103 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5822b09b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:11, skipping insertion in model container [2024-09-21 19:06:11,104 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:10" (2/4) ... [2024-09-21 19:06:11,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5822b09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:11, skipping insertion in model container [2024-09-21 19:06:11,104 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:10" (3/4) ... [2024-09-21 19:06:11,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5822b09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:11, skipping insertion in model container [2024-09-21 19:06:11,105 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:11" (4/4) ... [2024-09-21 19:06:11,106 INFO L79 RefereeObserver]: Analyzing ICFG sum03-2.i [2024-09-21 19:06:11,110 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:06:11,111 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:11,111 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-1 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:11,111 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:11,111 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:06:11,111 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:06:11,112 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:11,112 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:11,112 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 19:06:11,147 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:11,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:11,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:11,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:11,153 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:11,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,167 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:11,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,169 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:11,169 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:11,169 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:11,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:11,184 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:11,195 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:11,196 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:11,196 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:11,196 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:11,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:11,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,205 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:11,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:11,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:11,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:11,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:11,213 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-1 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:11,221 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:11,221 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:11,221 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:11,221 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:11,222 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:11,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,222 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:11,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:11,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:11,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:11,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:11,227 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:11,239 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:11,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:11,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:11,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:11,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:11,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,243 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:11,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:11,244 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:11,244 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:11,244 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:11,249 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:11,258 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:06:11,258 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:11,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:11,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:11,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:11,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,271 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:06:11,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:11,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:11,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:11,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:11,294 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:11,306 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:11,306 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:11,306 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:11,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:11,307 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:11,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,310 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:11,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,314 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:11,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:11,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:11,315 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:11,320 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:11,327 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:11,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:11,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:11,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:11,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:11,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,329 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:11,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:11,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:11,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:11,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:11,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:11,348 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:11,349 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5822b09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:11, skipping insertion in model container [2024-09-21 19:06:11,350 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:11,352 INFO L158 Benchmark]: Toolchain (without parser) took 895.42ms. Allocated memory is still 197.1MB. Free memory was 143.8MB in the beginning and 97.1MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:11,352 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:11,353 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:11,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.26ms. Allocated memory is still 197.1MB. Free memory was 143.4MB in the beginning and 129.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:11,355 INFO L158 Benchmark]: Boogie Preprocessor took 55.66ms. Allocated memory is still 197.1MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:11,356 INFO L158 Benchmark]: RCFGBuilder took 303.23ms. Allocated memory is still 197.1MB. Free memory was 127.8MB in the beginning and 114.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:11,357 INFO L158 Benchmark]: Referee took 248.32ms. Allocated memory is still 197.1MB. Free memory was 114.4MB in the beginning and 97.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:11,361 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 15. 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 24 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 loop head at line 24 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.26ms. Allocated memory is still 197.1MB. Free memory was 143.4MB in the beginning and 129.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.66ms. Allocated memory is still 197.1MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.23ms. Allocated memory is still 197.1MB. Free memory was 127.8MB in the beginning and 114.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 248.32ms. Allocated memory is still 197.1MB. Free memory was 114.4MB in the beginning and 97.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:11,389 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...