This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:36,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:36,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:30:36,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:36,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:36,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:36,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:36,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:36,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:36,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:36,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:36,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:36,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:36,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:36,502 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:36,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:36,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:36,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:36,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:30:36,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:36,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:36,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:36,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:36,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:36,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:36,508 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:36,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:36,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:36,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:36,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:36,509 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:36,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:36,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:36,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:36,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:36,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:36,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:36,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:30:36,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:30:36,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:36,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:36,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:36,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:36,516 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:36,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:36,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:36,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:36,812 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:36,813 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:36,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound20.yml/witness-2.1.yml [2024-09-25 00:30:36,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:36,864 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:36,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-25 00:30:38,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:38,591 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:38,592 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-25 00:30:38,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/76c4b642e/1c29014462ed46aa9ca476bca2124a8d/FLAG66651d813 [2024-09-25 00:30:38,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/76c4b642e/1c29014462ed46aa9ca476bca2124a8d [2024-09-25 00:30:38,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:38,982 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:38,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:38,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:38,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:38,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:36" (1/2) ... [2024-09-25 00:30:38,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c108ebb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:38, skipping insertion in model container [2024-09-25 00:30:38,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:36" (1/2) ... [2024-09-25 00:30:38,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2522fa52 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:38, skipping insertion in model container [2024-09-25 00:30:38,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:38" (2/2) ... [2024-09-25 00:30:38,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c108ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:38, skipping insertion in model container [2024-09-25 00:30:38,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:38" (2/2) ... [2024-09-25 00:30:39,006 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:39,007 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((3 * ((__int128) y * y)) + y) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 6)) && (\old(counter) == 0)) [2024-09-25 00:30:39,007 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:39,007 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:39,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:39,165 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/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] [2024-09-25 00:30:39,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:39,193 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:30:39,232 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/nla-digbench-scaling/ps3-ll_unwindbound20.c[458,471] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:30:39,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:39,260 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:39,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39 WrapperNode [2024-09-25 00:30:39,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:39,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:39,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:39,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:39,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,286 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:39,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:39,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:39,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:39,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:39,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (1/1) ... [2024-09-25 00:30:39,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:39,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:39,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:30:39,328 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:30:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-25 00:30:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:30:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:30:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:30:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:39,423 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:39,425 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:39,461 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:39,553 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:39,567 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:39,601 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:39,602 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:39,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:39 BoogieIcfgContainer [2024-09-25 00:30:39,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:39,603 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:39,603 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:39,604 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:39,604 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:36" (1/4) ... [2024-09-25 00:30:39,604 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e106404 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:39, skipping insertion in model container [2024-09-25 00:30:39,604 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:38" (2/4) ... [2024-09-25 00:30:39,605 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e106404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:39, skipping insertion in model container [2024-09-25 00:30:39,605 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:39" (3/4) ... [2024-09-25 00:30:39,605 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e106404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:39, skipping insertion in model container [2024-09-25 00:30:39,605 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:39" (4/4) ... [2024-09-25 00:30:39,606 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound20.c [2024-09-25 00:30:39,610 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:39,611 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:39,611 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:39,611 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 00:30:39,611 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 00:30:39,612 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:39,612 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:39,612 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:39,612 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:30:39,613 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 00:30:39,662 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:39,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,667 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,726 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:39,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,727 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,727 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,754 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:39,769 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:39,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,778 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:39,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,779 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,781 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:39,794 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:39,795 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,795 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,799 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:39,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,800 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,805 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:39,838 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 00:30:39,838 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,838 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,838 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,887 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 00:30:39,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,888 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,894 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:39,903 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:39,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,906 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:39,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,906 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,906 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,908 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:39,917 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:39,918 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,918 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,918 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,921 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:39,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,921 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,924 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:39,933 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:39,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,939 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:39,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,940 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,942 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:39,953 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:39,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:39,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:39,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:39,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:39,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,978 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:39,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:39,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:39,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:39,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:39,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:39,983 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:39,986 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:30:39,987 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e106404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:39, skipping insertion in model container [2024-09-25 00:30:39,989 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:39,991 INFO L158 Benchmark]: Toolchain (without parser) took 1008.21ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 115.4MB in the beginning and 172.2MB in the end (delta: -56.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:39,992 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 174.1MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:39,992 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:39,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.58ms. Allocated memory is still 174.1MB. Free memory was 115.2MB in the beginning and 101.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:39,993 INFO L158 Benchmark]: Boogie Preprocessor took 35.35ms. Allocated memory is still 174.1MB. Free memory was 101.6MB in the beginning and 99.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:39,994 INFO L158 Benchmark]: RCFGBuilder took 304.54ms. Allocated memory is still 174.1MB. Free memory was 99.7MB in the beginning and 86.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:39,995 INFO L158 Benchmark]: Referee took 386.67ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 86.6MB in the beginning and 172.2MB in the end (delta: -85.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:39,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. 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 loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to exit of procedure main. 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 11. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.26ms. Allocated memory is still 174.1MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.58ms. Allocated memory is still 174.1MB. Free memory was 115.2MB in the beginning and 101.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.35ms. Allocated memory is still 174.1MB. Free memory was 101.6MB in the beginning and 99.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.54ms. Allocated memory is still 174.1MB. Free memory was 99.7MB in the beginning and 86.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 386.67ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 86.6MB in the beginning and 172.2MB in the end (delta: -85.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:30:40,034 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...