This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:26,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:27,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:12:27,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:27,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:27,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:27,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:27,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:27,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:27,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:27,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:27,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:27,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:27,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:27,061 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:27,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:27,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:27,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:27,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:12:27,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:27,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:27,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:27,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:27,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:27,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:27,068 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:27,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:27,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:27,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:27,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:27,069 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:27,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:27,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:27,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:27,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:27,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:27,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:27,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:12:27,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:12:27,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:27,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:27,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:27,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:27,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:27,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:27,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:27,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:27,381 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:27,382 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:27,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/recursified_bresenham-ll.yml/output/witness-2.1.yml [2024-09-21 19:12:27,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:27,442 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:27,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham-ll.c [2024-09-21 19:12:28,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:29,080 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:29,081 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham-ll.c [2024-09-21 19:12:29,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b03b75e1d/477d1e35335b444da5788c67d9256163/FLAG323348825 [2024-09-21 19:12:29,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b03b75e1d/477d1e35335b444da5788c67d9256163 [2024-09-21 19:12:29,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:29,102 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:29,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:29,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:29,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:29,111 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 07:12:27" (1/2) ... [2024-09-21 19:12:29,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5defced and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,112 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 07:12:27" (1/2) ... [2024-09-21 19:12:29,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5514fc93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:29" (2/2) ... [2024-09-21 19:12:29,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5defced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:29" (2/2) ... [2024-09-21 19:12:29,126 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:29,126 INFO L1541 ArrayList]: Function contract at [L83]: requires 1, ensures 1 [2024-09-21 19:12:29,126 INFO L1541 ArrayList]: Function contract at [L50]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:29,127 INFO L1541 ArrayList]: Function contract at [L34]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:29,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:29,294 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/recursified_nla-digbench/recursified_bresenham-ll.c[1137,1150] [2024-09-21 19:12:29,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:29,340 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:12:29,373 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/recursified_nla-digbench/recursified_bresenham-ll.c[1137,1150] Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:12:29,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:29,406 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:12:29,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29 WrapperNode [2024-09-21 19:12:29,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:29,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:12:29,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:12:29,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:12:29,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,430 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,441 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:12:29,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:12:29,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:12:29,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:12:29,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:12:29,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:29,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:12:29,489 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 19:12:29,491 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 19:12:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:12:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:12:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:12:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:12:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:12:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_0_to_41_0 [2024-09-21 19:12:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:12:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:12:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:12:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:12:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:12:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:12:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:12:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:12:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_0_to_41_0 [2024-09-21 19:12:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:12:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:12:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:12:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 19:12:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:12:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:12:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:12:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:12:29,621 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:12:29,623 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:12:29,697 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:29,798 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:29,804 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:29,854 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:12:29,902 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:12:29,903 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:12:29,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:29 BoogieIcfgContainer [2024-09-21 19:12:29,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:12:29,905 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:12:29,905 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:12:29,906 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:12:29,907 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 07:12:27" (1/4) ... [2024-09-21 19:12:29,907 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fda2446 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,907 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:12:29" (2/4) ... [2024-09-21 19:12:29,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fda2446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (3/4) ... [2024-09-21 19:12:29,909 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fda2446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,909 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:29" (4/4) ... [2024-09-21 19:12:29,910 INFO L79 RefereeObserver]: Analyzing ICFG recursified_bresenham-ll.c [2024-09-21 19:12:29,913 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:12:29,913 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:29,913 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:12:29,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_0_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_0_to_41_0Err1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:12:29,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_0_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_0_to_41_0Err2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 19:12:29,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:12:29,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:29,914 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 19:12:29,914 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 19:12:29,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_0_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_0_to_41_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:29,915 INFO L131 InvariantChecker]: Will check 9 loop-free subgraphs from procedure entry to error location [2024-09-21 19:12:29,973 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:29,974 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,975 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,975 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,976 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,997 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:29,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,019 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,044 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:12:30,045 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,067 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:12:30,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,068 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,071 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,092 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-21 19:12:30,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,122 INFO L101 BaseMinimizeStates]: Removed 17 edges and 7 locations by large block encoding [2024-09-21 19:12:30,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,137 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_0_to_41_0ENTRY to error location func_to_recursive_line_0_to_41_0Err1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,158 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 12 edges [2024-09-21 19:12:30,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,159 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,159 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,182 INFO L101 BaseMinimizeStates]: Removed 23 edges and 8 locations by large block encoding [2024-09-21 19:12:30,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,188 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,190 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_0_to_41_0ENTRY to error location func_to_recursive_line_0_to_41_0Err2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,209 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:12:30,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,211 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,211 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,257 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:12:30,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,260 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,263 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,273 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:30,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,274 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,274 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:30,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,277 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,290 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:12:30,290 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,290 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,290 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,290 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,293 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:12:30,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,294 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,294 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,296 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,306 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:30,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,309 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,311 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:30,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,312 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,333 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:30,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,337 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:30,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,340 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_0_to_41_0ENTRY to error location func_to_recursive_line_0_to_41_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,348 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:12:30,349 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fda2446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,349 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:12:30,351 INFO L158 Benchmark]: Toolchain (without parser) took 1248.18ms. Allocated memory is still 155.2MB. Free memory was 120.9MB in the beginning and 58.7MB in the end (delta: 62.2MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,351 INFO L158 Benchmark]: Witness Parser took 0.65ms. Allocated memory is still 155.2MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:30,352 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:30,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.30ms. Allocated memory is still 155.2MB. Free memory was 120.9MB in the beginning and 107.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,353 INFO L158 Benchmark]: Boogie Preprocessor took 47.45ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,354 INFO L158 Benchmark]: RCFGBuilder took 448.08ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 114.1MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,355 INFO L158 Benchmark]: Referee took 444.20ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 58.7MB in the end (delta: 55.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,358 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 38. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_0_to_41_0 to check that procedure precondition always holds at line 76. 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 func_to_recursive_line_0_to_41_0 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 97. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_0_to_41_0 to exit of procedure func_to_recursive_line_0_to_41_0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 100. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.65ms. Allocated memory is still 155.2MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.30ms. Allocated memory is still 155.2MB. Free memory was 120.9MB in the beginning and 107.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.45ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.08ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 114.1MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 444.20ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 58.7MB in the end (delta: 55.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:12:30,388 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...