This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:38,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:39,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:39,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:39,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:39,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:39,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:39,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:39,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:39,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:39,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:39,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:39,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:39,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:39,092 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:39,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:39,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:39,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:39,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:39,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:39,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:39,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:39,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:39,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:39,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:39,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:39,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:39,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:39,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:39,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:39,098 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:39,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:39,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:39,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:39,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:39,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:39,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:39,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:39,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:39,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:39,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:39,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:39,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:39,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:39,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:39,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:39,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:39,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:39,405 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:39,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-09-21 12:48:40,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:41,095 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:41,096 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-09-21 12:48:41,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2d759f29e/42b9671e43604a8193ac3ad62de1d099/FLAG49f8aaff9 [2024-09-21 12:48:41,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2d759f29e/42b9671e43604a8193ac3ad62de1d099 [2024-09-21 12:48:41,121 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:41,121 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:41,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound20.yml/witness-2.1.yml [2024-09-21 12:48:41,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:41,179 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:41,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:41,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:41,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:41,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:41" (1/2) ... [2024-09-21 12:48:41,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36da12c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:41, skipping insertion in model container [2024-09-21 12:48:41,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:41" (1/2) ... [2024-09-21 12:48:41,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56c62043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:41, skipping insertion in model container [2024-09-21 12:48:41,192 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 12:48:41" (2/2) ... [2024-09-21 12:48:41,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36da12c1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:41, skipping insertion in model container [2024-09-21 12:48:41,194 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 12:48:41" (2/2) ... [2024-09-21 12:48:41,203 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:41,204 INFO L1541 ArrayList]: Loop invariant at [L32-L47] ((((((X <= 20) && (((__int128) y * x) == (((__int128) X * y) + y))) && ((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v))) && (0 <= Y)) && (0 <= X)) || ((((X <= 20) && ((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v))) && (0 <= Y)) && (0 <= X))) [2024-09-21 12:48:41,204 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:41,204 INFO L1541 ArrayList]: Function contract at [L10]: requires null, ensures (cond != 0) [2024-09-21 12:48:41,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:41,388 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/bresenham-ll_valuebound20.c[597,610] [2024-09-21 12:48:41,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:41,432 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:48:41,478 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/bresenham-ll_valuebound20.c[597,610] Start Parsing Local [2024-09-21 12:48:41,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:41,508 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:41,509 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:41 WrapperNode [2024-09-21 12:48:41,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:41,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:41,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:41,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:41,526 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,529 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,536 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,545 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 12:48:41,545 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,545 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,553 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,557 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,558 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,559 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:41,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:41,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:41,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:41,562 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 12:48:41" (1/1) ... [2024-09-21 12:48:41,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:41,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:41,590 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 12:48:41,592 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 12:48:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:41,687 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:41,690 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:41,845 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:41,862 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:41,890 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:41,890 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:41,891 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:41 BoogieIcfgContainer [2024-09-21 12:48:41,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:41,891 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:41,892 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:41,893 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:41,893 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:41" (1/4) ... [2024-09-21 12:48:41,894 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@514cd292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:41, skipping insertion in model container [2024-09-21 12:48:41,894 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 12:48:41" (2/4) ... [2024-09-21 12:48:41,895 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@514cd292 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:41, skipping insertion in model container [2024-09-21 12:48:41,895 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 12:48:41" (3/4) ... [2024-09-21 12:48:41,895 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@514cd292 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:41, skipping insertion in model container [2024-09-21 12:48:41,895 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 12:48:41" (4/4) ... [2024-09-21 12:48:41,897 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll_valuebound20.c [2024-09-21 12:48:41,900 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:41,901 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 12:48:41,901 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:48:41,901 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:48:41,901 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:48:41,902 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:41,902 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 12:48:41,902 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 12:48:41,902 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-21 12:48:41,957 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:48:41,958 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:41,958 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:41,959 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:41,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:41,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:41,971 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:48:41,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:41,972 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:41,973 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:41,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:41,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:41,997 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:42,025 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:48:42,026 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:42,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:42,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:42,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:42,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,093 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-21 12:48:42,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:42,094 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:42,094 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:42,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:42,125 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:42,144 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:48:42,146 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:42,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:42,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:42,147 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:42,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,161 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:48:42,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:42,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:42,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:42,162 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:42,168 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:42,179 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:48:42,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:42,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:42,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:42,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:42,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,200 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 12:48:42,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:42,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:42,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:42,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:42,230 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:42,230 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:42,230 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:42,231 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:42,231 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:42,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,237 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:42,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,237 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:42,238 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:42,238 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:42,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:42,242 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:42,253 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:42,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:42,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:42,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:42,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:42,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,258 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:42,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:42,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:42,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:42,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:42,263 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:42,273 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:42,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:42,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:42,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:42,273 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:42,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,274 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:42,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:42,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:42,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:42,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:42,278 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:42,280 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:42,287 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:48:42,290 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@514cd292 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:42, skipping insertion in model container [2024-09-21 12:48:42,290 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:42,292 INFO L158 Benchmark]: Toolchain (without parser) took 1112.11ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.5MB in the beginning and 126.6MB in the end (delta: -50.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:42,293 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 151.0MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:42,294 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:42,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.79ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.4MB in the beginning and 181.2MB in the end (delta: -104.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:48:42,296 INFO L158 Benchmark]: Boogie Preprocessor took 50.91ms. Allocated memory is still 211.8MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:42,298 INFO L158 Benchmark]: RCFGBuilder took 329.75ms. Allocated memory is still 211.8MB. Free memory was 179.1MB in the beginning and 164.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:42,298 INFO L158 Benchmark]: Referee took 398.89ms. Allocated memory is still 211.8MB. Free memory was 164.4MB in the beginning and 126.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:42,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 50. One counterexample starts in v=3, x=3, X=1, y=2, Y=1 and ends in v=3, x=3, X=1, xy=6, Y=1, y=2, yx=3. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 35. 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 main to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. 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 15. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 151.0MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.79ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.4MB in the beginning and 181.2MB in the end (delta: -104.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.91ms. Allocated memory is still 211.8MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.75ms. Allocated memory is still 211.8MB. Free memory was 179.1MB in the beginning and 164.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 398.89ms. Allocated memory is still 211.8MB. Free memory was 164.4MB in the beginning and 126.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:48:42,336 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...