This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:05,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:05,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:50:05,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:05,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:05,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:05,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:05,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:05,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:05,556 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:05,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:05,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:05,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:05,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:05,558 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:05,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:05,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:05,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:05,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:50:05,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:05,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:05,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:05,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:05,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:05,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:05,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:05,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:05,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:05,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:05,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:05,564 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:05,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:05,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:05,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:05,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:05,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:05,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:05,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:50:05,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:50:05,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:05,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:05,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:05,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:05,567 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:05,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:05,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:05,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:05,896 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:05,897 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:05,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-21 12:50:05,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:05,950 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:05,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-21 12:50:07,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:07,579 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:07,579 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-21 12:50:07,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8140f0a1b/88deeb13769b41ac82e4c940e17e24cc/FLAGb975878d4 [2024-09-21 12:50:07,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8140f0a1b/88deeb13769b41ac82e4c940e17e24cc [2024-09-21 12:50:07,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:07,984 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:07,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:07,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:07,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:07,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:05" (1/2) ... [2024-09-21 12:50:07,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7c9812 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:05" (1/2) ... [2024-09-21 12:50:07,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ee4bc36 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:07" (2/2) ... [2024-09-21 12:50:07,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7c9812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:07" (2/2) ... [2024-09-21 12:50:08,005 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:08,006 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:50:08,006 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:08,006 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:08,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:08,166 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/lcm2_valuebound20.c[537,550] [2024-09-21 12:50:08,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,195 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:08,244 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/lcm2_valuebound20.c[537,550] Start Parsing Local [2024-09-21 12:50:08,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,284 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:08,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08 WrapperNode [2024-09-21 12:50:08,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:08,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:08,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:08,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,319 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:50:08,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:08,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:08,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:08,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:08,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:08,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:50:08,366 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:08,480 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:08,485 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:08,759 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:08,773 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:08,796 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:08,797 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:08,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:08 BoogieIcfgContainer [2024-09-21 12:50:08,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:08,798 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:08,799 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:08,799 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:08,800 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:05" (1/4) ... [2024-09-21 12:50:08,800 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@717ba892 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,800 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:07" (2/4) ... [2024-09-21 12:50:08,800 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@717ba892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,800 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (3/4) ... [2024-09-21 12:50:08,801 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@717ba892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,801 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:08" (4/4) ... [2024-09-21 12:50:08,804 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-21 12:50:08,808 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:08,809 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:08,809 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:08,809 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:08,810 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:08,810 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:08,810 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:08,810 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:08,811 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:50:08,855 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:08,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:08,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:08,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:08,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:08,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,877 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:08,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:08,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:08,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:08,885 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:08,915 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:08,949 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:08,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:08,950 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:08,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:08,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:08,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,990 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:08,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:08,991 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:08,991 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:08,997 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:09,000 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:09,021 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:09,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:09,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:09,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:09,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:09,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,029 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:09,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,030 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:09,030 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:09,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:09,031 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,037 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:13,053 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:13,053 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,054 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,054 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,054 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,057 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:13,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,059 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,066 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:13,077 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:13,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,078 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,080 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:13,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,082 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:13,096 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:13,096 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,122 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:13,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,124 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,127 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:13,145 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:13,145 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,145 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,146 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,179 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:13,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,180 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,199 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:17,205 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:17,206 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@717ba892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:17, skipping insertion in model container [2024-09-21 12:50:17,206 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:17,208 INFO L158 Benchmark]: Toolchain (without parser) took 9222.99ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 58.9MB in the end (delta: 48.7MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,208 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:17,209 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:17,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.22ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 92.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,210 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 91.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,210 INFO L158 Benchmark]: RCFGBuilder took 465.28ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 103.1MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,211 INFO L158 Benchmark]: Referee took 8407.72ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 58.9MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. 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 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.22ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 92.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.76ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 91.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.28ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 103.1MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8407.72ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 58.9MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:17,237 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:19,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:19,557 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:19,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:19,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:19,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:19,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:19,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:19,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:19,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:19,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:19,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:19,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:19,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:19,604 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:19,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:19,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:19,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:19,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:19,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:19,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:19,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:19,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:19,609 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:19,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:19,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:19,610 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:19,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:19,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:19,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:19,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:19,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:19,611 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:19,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:19,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:19,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:19,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:19,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:19,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:19,621 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:19,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:19,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:19,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:19,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:19,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:19,623 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:19,623 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:19,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:19,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:19,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:19,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:19,954 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:19,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-21 12:50:21,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:21,794 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:21,795 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-21 12:50:21,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3a5bc696e/2818c7abd88f4c798767a56af0f235bc/FLAGfabe1d0b2 [2024-09-21 12:50:21,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3a5bc696e/2818c7abd88f4c798767a56af0f235bc [2024-09-21 12:50:21,815 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:21,815 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:21,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-21 12:50:21,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:21,874 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:21,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:21,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:21,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:21,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:21" (1/2) ... [2024-09-21 12:50:21,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599a1102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:21" (1/2) ... [2024-09-21 12:50:21,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@638cc26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:21" (2/2) ... [2024-09-21 12:50:21,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599a1102 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:21" (2/2) ... [2024-09-21 12:50:21,897 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:21,898 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:50:21,898 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:21,898 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:21,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:22,079 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/lcm2_valuebound20.c[537,550] [2024-09-21 12:50:22,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:22,115 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:22,165 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/lcm2_valuebound20.c[537,550] Start Parsing Local [2024-09-21 12:50:22,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:22,200 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:22,201 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:22 WrapperNode [2024-09-21 12:50:22,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:22,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:22,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:22,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:22,214 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,215 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,221 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,229 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:50:22,229 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,229 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,235 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,238 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,239 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,240 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:22,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:22,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:22,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:22,245 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 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:22,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:22,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:50:22,278 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:50:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:22,399 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:22,402 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:23,080 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:23,110 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:23,146 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:23,146 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:23,147 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:23 BoogieIcfgContainer [2024-09-21 12:50:23,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:23,149 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:23,149 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:23,150 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:23,150 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:21" (1/4) ... [2024-09-21 12:50:23,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4296a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:23, skipping insertion in model container [2024-09-21 12:50:23,151 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:21" (2/4) ... [2024-09-21 12:50:23,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4296a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:23, skipping insertion in model container [2024-09-21 12:50:23,152 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 21.09 12:50:22" (3/4) ... [2024-09-21 12:50:23,152 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4296a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:23, skipping insertion in model container [2024-09-21 12:50:23,152 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:23" (4/4) ... [2024-09-21 12:50:23,153 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-21 12:50:23,158 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:23,158 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:23,159 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:23,159 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:23,159 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:23,159 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:23,159 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:23,160 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:23,160 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:50:23,218 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:23,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:23,220 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:23,220 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:23,221 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:23,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,232 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:23,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:23,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:23,234 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:23,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:23,264 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:23,297 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:23,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:23,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:23,300 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:23,300 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:23,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,317 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:23,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,317 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:23,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:23,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:23,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:23,320 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:23,347 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:23,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:23,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:23,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:23,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:23,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,352 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:23,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:23,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:23,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:23,353 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,394 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:27,423 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:27,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,424 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,429 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:27,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,430 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,430 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,430 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,431 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,435 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:27,457 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:27,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,457 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,458 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,459 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:27,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,461 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:27,478 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:27,479 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,479 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,506 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:27,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,507 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,507 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,537 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:27,559 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:27,559 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,559 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,559 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,590 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:27,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,594 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:31,698 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:31,729 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:31,730 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d4296a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:31, skipping insertion in model container [2024-09-21 12:50:31,730 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:31,732 INFO L158 Benchmark]: Toolchain (without parser) took 9857.13ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 38.1MB in the beginning and 44.6MB in the end (delta: -6.5MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,733 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 21.3MB in the beginning and 21.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:31,733 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 60.8MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:31,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.23ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.3MB in the end (delta: 588.7kB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,734 INFO L158 Benchmark]: Boogie Preprocessor took 41.34ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 35.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,735 INFO L158 Benchmark]: RCFGBuilder took 903.06ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 47.0MB in the end (delta: -12.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,735 INFO L158 Benchmark]: Referee took 8581.37ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 44.6MB in the end (delta: 2.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 21.3MB in the beginning and 21.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 60.8MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.23ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.3MB in the end (delta: 588.7kB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.34ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 35.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 903.06ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 47.0MB in the end (delta: -12.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8581.37ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 44.6MB in the end (delta: 2.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:31,791 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...