This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:08:25,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:25,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:08:25,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:25,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:25,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:25,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:25,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:25,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:25,567 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:25,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:25,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:25,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:25,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:25,570 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:25,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:25,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:25,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:25,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:08:25,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:25,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:25,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:25,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:25,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:25,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:25,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:25,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:25,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:25,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:25,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:25,577 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:25,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:25,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:25,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:25,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:25,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:25,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:25,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:08:25,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:08:25,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:25,579 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:25,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:25,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:25,580 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:25,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:25,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:25,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:25,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:25,828 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:25,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/sum04-2.i [2024-09-20 20:08:27,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:27,434 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:27,435 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/sum04-2.i [2024-09-20 20:08:27,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7d979e32e/990207ce29cb4b9e8bb37c37e1c72710/FLAGc2e115f58 [2024-09-20 20:08:27,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7d979e32e/990207ce29cb4b9e8bb37c37e1c72710 [2024-09-20 20:08:27,831 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:27,831 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:27,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum04-2.yml/witness-2.1.yml [2024-09-20 20:08:27,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:27,884 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:27,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:27,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:27,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:27,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:27" (1/2) ... [2024-09-20 20:08:27,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7d0cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:27, skipping insertion in model container [2024-09-20 20:08:27,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:27" (1/2) ... [2024-09-20 20:08:27,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@586340eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:27, skipping insertion in model container [2024-09-20 20:08:27,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:27" (2/2) ... [2024-09-20 20:08:27,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7d0cce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:27, skipping insertion in model container [2024-09-20 20:08:27,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:27" (2/2) ... [2024-09-20 20:08:27,905 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:27,906 INFO L1541 ArrayList]: Loop invariant at [L24-L26] ((((((((((sn == 0) && (i == 1)) || ((7 == i) && (sn == 12))) || ((i == 3) && (sn == 4))) || ((14 == sn) && (i == 8))) || ((6 == sn) && (i == 4))) || ((i == 6) && (sn == 10))) || ((9 <= i) && (16 == sn))) || ((sn == 8) && (5 == i))) || ((i == 2) && (2 == sn))) [2024-09-20 20:08:27,906 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:08:27,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:28,063 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/sum04-2.i[808,821] [2024-09-20 20:08:28,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:28,087 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:08:28,118 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/sum04-2.i[808,821] Start Parsing Local [2024-09-20 20:08:28,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:28,140 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:28,141 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:28 WrapperNode [2024-09-20 20:08:28,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:28,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:28,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:28,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:28,155 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,155 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,161 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,176 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 [2024-09-20 20:08:28,176 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,176 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,180 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,186 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,187 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,188 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:28,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:28,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:28,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:28,193 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 20.09 08:08:28" (1/1) ... [2024-09-20 20:08:28,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:28,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:28,224 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) [2024-09-20 20:08:28,228 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 [2024-09-20 20:08:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:08:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:08:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:08:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:28,344 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:28,348 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:28,466 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:08:28,475 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:28,496 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:28,496 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:08:28,497 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:28 BoogieIcfgContainer [2024-09-20 20:08:28,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:28,498 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:28,498 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:28,498 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:28,499 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:27" (1/4) ... [2024-09-20 20:08:28,499 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@463a1608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,499 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:27" (2/4) ... [2024-09-20 20:08:28,499 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@463a1608 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,499 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 20.09 08:08:28" (3/4) ... [2024-09-20 20:08:28,500 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@463a1608 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,500 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:28" (4/4) ... [2024-09-20 20:08:28,500 INFO L79 RefereeObserver]: Analyzing ICFG sum04-2.i [2024-09-20 20:08:28,503 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:08:28,504 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:08:28,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:08:28,504 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:08:28,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:08:28,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:08:28,505 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:08:28,539 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:08:28,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,544 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,580 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:08:28,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,582 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,626 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:08:28,648 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:08:28,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,656 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:08:28,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,657 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,657 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,663 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,674 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:08:28,674 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,675 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,689 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:08:28,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,690 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,695 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:28,703 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:08:28,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,704 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,709 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:08:28,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,709 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,709 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,711 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,713 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:08:28,720 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:08:28,720 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:28,720 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:28,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:28,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:28,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,723 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:08:28,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:28,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:28,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:28,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:28,724 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:28,725 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:08:28,729 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:08:28,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@463a1608 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:08:28, skipping insertion in model container [2024-09-20 20:08:28,729 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:08:28,731 INFO L158 Benchmark]: Toolchain (without parser) took 845.81ms. Allocated memory is still 176.2MB. Free memory was 117.4MB in the beginning and 74.0MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,731 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:28,732 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:28,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.87ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 103.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,733 INFO L158 Benchmark]: Boogie Preprocessor took 47.87ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 101.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,733 INFO L158 Benchmark]: RCFGBuilder took 305.80ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 90.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,734 INFO L158 Benchmark]: Referee took 231.60ms. Allocated memory is still 176.2MB. Free memory was 90.0MB in the beginning and 74.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:08:28,737 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 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 16. 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 loop head at line 24 to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.87ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 103.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.87ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 101.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.80ms. Allocated memory is still 176.2MB. Free memory was 101.9MB in the beginning and 90.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 231.60ms. Allocated memory is still 176.2MB. Free memory was 90.0MB in the beginning and 74.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:08:28,762 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...