This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:29:00,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:29:00,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:29:00,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:29:00,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:29:00,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:29:00,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:29:00,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:29:00,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:29:00,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:29:00,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:29:00,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:29:00,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:29:00,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:29:00,415 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:29:00,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:29:00,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:29:00,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:29:00,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:29:00,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:29:00,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:29:00,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:29:00,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:29:00,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:29:00,421 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:29:00,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:29:00,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:29:00,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:29:00,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:29:00,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:29:00,423 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:29:00,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:29:00,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:29:00,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:00,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:29:00,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:29:00,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:29:00,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:29:00,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:29:00,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:29:00,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:29:00,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:29:00,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:29:00,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:29:00,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:29:00,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:29:00,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:29:00,690 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:29:00,690 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:29:00,691 INFO L431 ainManager$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 [2024-09-20 13:29:00,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:29:00,764 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:29:00,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-20 13:29:02,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:29:02,260 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:29:02,261 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-09-20 13:29:02,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f960de731/704c9ebb6bc242859d29b0e27183f63b/FLAG19067f6de [2024-09-20 13:29:02,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f960de731/704c9ebb6bc242859d29b0e27183f63b [2024-09-20 13:29:02,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:29:02,655 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:29:02,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:02,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:29:02,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:29:02,662 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 01:29:00" (1/2) ... [2024-09-20 13:29:02,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0b54f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:02, skipping insertion in model container [2024-09-20 13:29:02,663 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 01:29:00" (1/2) ... [2024-09-20 13:29:02,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@153b22a2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:02, skipping insertion in model container [2024-09-20 13:29:02,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:02" (2/2) ... [2024-09-20 13:29:02,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0b54f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02, skipping insertion in model container [2024-09-20 13:29:02,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:02" (2/2) ... [2024-09-20 13:29:02,674 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:29:02,675 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((3 * ((__int128) y * y)) + y) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 6)) && (\old(counter) == 0)) [2024-09-20 13:29:02,675 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:29:02,675 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:29:02,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:29:02,825 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] [2024-09-20 13:29:02,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:02,856 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:29:02,883 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 [2024-09-20 13:29:02,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:02,906 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:29:02,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02 WrapperNode [2024-09-20 13:29:02,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:02,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:29:02,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:29:02,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:29:02,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,940 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 13:29:02,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:29:02,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:29:02,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:29:02,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:29:02,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (1/1) ... [2024-09-20 13:29:02,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:02,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:29:02,987 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 13:29:02,990 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 13:29:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:29:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:29:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:29:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:29:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:29:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:29:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-20 13:29:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:29:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:29:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:29:03,121 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:29:03,124 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:29:03,164 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:29:03,258 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:29:03,279 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:29:03,302 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:29:03,302 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:29:03,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:03 BoogieIcfgContainer [2024-09-20 13:29:03,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:29:03,303 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:29:03,303 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:29:03,304 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:29:03,304 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 01:29:00" (1/4) ... [2024-09-20 13:29:03,305 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19acb827 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:03, skipping insertion in model container [2024-09-20 13:29:03,305 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:29:02" (2/4) ... [2024-09-20 13:29:03,305 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19acb827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:03, skipping insertion in model container [2024-09-20 13:29:03,306 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:02" (3/4) ... [2024-09-20 13:29:03,306 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19acb827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:03, skipping insertion in model container [2024-09-20 13:29:03,306 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:03" (4/4) ... [2024-09-20 13:29:03,308 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound20.c [2024-09-20 13:29:03,311 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:29:03,312 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:29:03,313 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:29:03,313 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:29:03,313 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:29:03,313 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:29:03,313 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 13:29:03,314 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 13:29:03,314 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:29:03,314 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 [2024-09-20 13:29:03,364 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:29:03,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,405 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:29:03,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,431 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:29:03,454 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:29:03,455 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,455 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,455 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,455 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,467 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:29:03,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,468 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,468 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,470 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,476 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:29:03,492 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:29:03,495 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,498 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:29:03,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,507 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:29:03,527 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:29:03,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,546 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:29:03,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,547 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,553 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:29:03,567 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:29:03,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,569 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:29:03,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,569 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,570 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,573 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:29:03,585 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:29:03,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,594 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:29:03,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,594 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,594 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,595 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,597 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:29:03,604 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:29:03,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,605 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,609 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:29:03,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,610 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,610 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,610 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,613 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:29:03,621 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:29:03,621 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:03,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:03,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:03,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:03,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,640 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:29:03,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:03,642 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:03,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:03,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:03,643 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:03,645 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:29:03,648 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:29:03,648 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19acb827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:29:03, skipping insertion in model container [2024-09-20 13:29:03,649 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:29:03,651 INFO L158 Benchmark]: Toolchain (without parser) took 995.10ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 85.4MB in the beginning and 154.2MB in the end (delta: -68.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:03,651 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 110.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:03,652 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 159.4MB. Free memory was 131.3MB in the beginning and 131.1MB in the end (delta: 209.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:03,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.99ms. Allocated memory is still 159.4MB. Free memory was 85.2MB in the beginning and 71.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:29:03,653 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 159.4MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:29:03,654 INFO L158 Benchmark]: RCFGBuilder took 345.43ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 69.7MB in the beginning and 185.7MB in the end (delta: -116.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 13:29:03,654 INFO L158 Benchmark]: Referee took 346.04ms. Allocated memory is still 218.1MB. Free memory was 185.7MB in the beginning and 154.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-20 13:29:03,656 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 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 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 check that a call to reach_error is unreachable at line 11. 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 exit of procedure main. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 159.4MB. Free memory was 110.6MB in the beginning and 110.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.59ms. Allocated memory is still 159.4MB. Free memory was 131.3MB in the beginning and 131.1MB in the end (delta: 209.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.99ms. Allocated memory is still 159.4MB. Free memory was 85.2MB in the beginning and 71.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 159.4MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 345.43ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 69.7MB in the beginning and 185.7MB in the end (delta: -116.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 346.04ms. Allocated memory is still 218.1MB. Free memory was 185.7MB in the beginning and 154.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:29:03,681 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...