This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:35,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:35,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:30:35,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:35,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:35,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:35,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:35,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:35,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:35,524 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:35,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:35,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:35,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:35,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:35,527 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:35,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:35,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:35,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:35,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:30:35,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:35,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:35,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:35,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:35,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:35,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:35,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:35,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:35,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:35,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:35,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:35,529 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:35,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:35,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:35,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:35,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:35,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:35,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:35,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:30:35,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:30:35,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:35,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:35,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:35,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:35,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:35,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:35,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:35,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:35,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:35,744 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:35,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-09-25 00:30:37,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:37,137 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:37,137 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-09-25 00:30:37,142 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/762252b15/5432f2f70e744a34b3517af071c1cceb/FLAG3cd8d7c4c [2024-09-25 00:30:37,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/762252b15/5432f2f70e744a34b3517af071c1cceb [2024-09-25 00:30:37,566 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:37,566 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:37,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:30:37,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:37,607 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:37,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:37,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:37,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:37,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:37" (1/2) ... [2024-09-25 00:30:37,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e463e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:37, skipping insertion in model container [2024-09-25 00:30:37,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:37" (1/2) ... [2024-09-25 00:30:37,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56d01554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:37, skipping insertion in model container [2024-09-25 00:30:37,615 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 12:30:37" (2/2) ... [2024-09-25 00:30:37,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e463e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:37, skipping insertion in model container [2024-09-25 00:30:37,616 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 12:30:37" (2/2) ... [2024-09-25 00:30:37,625 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:37,626 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 00:30:37,626 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:37,626 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:37,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:37,790 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_unwindbound2.c[458,471] [2024-09-25 00:30:37,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:37,824 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:30:37,853 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_unwindbound2.c[458,471] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:30:37,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:37,873 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:37,874 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:37 WrapperNode [2024-09-25 00:30:37,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:37,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:37,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:37,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:37,884 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,884 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,889 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,895 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 00:30:37,896 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,896 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,898 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,901 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,902 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,905 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:37,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:37,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:37,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:37,909 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 25.09 12:30:37" (1/1) ... [2024-09-25 00:30:37,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:37,932 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 00:30:37,933 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 00:30:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:37,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-25 00:30:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:30:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:38,019 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:38,020 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:38,056 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:38,133 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:38,142 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:38,162 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:38,162 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:38,162 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:38 BoogieIcfgContainer [2024-09-25 00:30:38,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:38,163 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:38,163 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:38,164 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:38,164 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:37" (1/4) ... [2024-09-25 00:30:38,164 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd3403b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:38, skipping insertion in model container [2024-09-25 00:30:38,164 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 12:30:37" (2/4) ... [2024-09-25 00:30:38,165 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd3403b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:38, skipping insertion in model container [2024-09-25 00:30:38,165 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 25.09 12:30:37" (3/4) ... [2024-09-25 00:30:38,165 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd3403b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:38, skipping insertion in model container [2024-09-25 00:30:38,165 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:38" (4/4) ... [2024-09-25 00:30:38,168 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound2.c [2024-09-25 00:30:38,171 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:38,171 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 00:30:38,171 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 00:30:38,171 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 00:30:38,171 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 00:30:38,172 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 00:30:38,172 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 00:30:38,172 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 00:30:38,172 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 00:30:38,172 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 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 [2024-09-25 00:30:38,218 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:38,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,220 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,256 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:38,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,257 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,280 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:38,294 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:38,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,298 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,307 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:38,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,311 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:38,320 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:38,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,326 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:38,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,327 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,327 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,327 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,333 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:38,345 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 00:30:38,346 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,360 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 00:30:38,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,361 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,361 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,366 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:38,379 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:38,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,379 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,380 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,380 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,380 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:38,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,385 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:38,394 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:38,394 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,394 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,395 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,398 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:38,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,399 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,399 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,402 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:38,408 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:38,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,410 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:38,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,410 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,411 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:38,418 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:38,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:38,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:38,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:38,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:38,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,437 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:38,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:38,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:38,438 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:38,438 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:38,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:38,441 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:38,444 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:30:38,444 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd3403b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:38, skipping insertion in model container [2024-09-25 00:30:38,444 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:38,446 INFO L158 Benchmark]: Toolchain (without parser) took 837.77ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 58.8MB in the beginning and 99.1MB in the end (delta: -40.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:38,447 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 130.0MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:38,448 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:38,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.69ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 58.7MB in the beginning and 146.3MB in the end (delta: -87.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:38,449 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 182.5MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:38,450 INFO L158 Benchmark]: RCFGBuilder took 255.38ms. Allocated memory is still 182.5MB. Free memory was 144.2MB in the beginning and 130.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:38,451 INFO L158 Benchmark]: Referee took 280.92ms. Allocated memory is still 182.5MB. Free memory was 129.5MB in the beginning and 99.1MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-25 00:30:38,453 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 main to loop head 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 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 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 check that procedure precondition always holds at line 28. 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. Annotation is valid for all loop-free paths from loop head at line 27 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 130.0MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.69ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 58.7MB in the beginning and 146.3MB in the end (delta: -87.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 182.5MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.38ms. Allocated memory is still 182.5MB. Free memory was 144.2MB in the beginning and 130.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 280.92ms. Allocated memory is still 182.5MB. Free memory was 129.5MB in the beginning and 99.1MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:30:38,475 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...