This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:44,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:44,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:44,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:44,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:44,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:44,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:44,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:44,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:44,821 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:44,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:44,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:44,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:44,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:44,823 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:44,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:44,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:44,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:44,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:44,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:44,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:44,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:44,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:44,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:44,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:44,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:44,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:44,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:44,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:44,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:44,831 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:44,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:44,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:44,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:44,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:44,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:44,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:44,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:44,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:44,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:44,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:44,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:44,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:44,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:45,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:45,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:45,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:45,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:45,132 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:45,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.c [2024-09-13 10:08:46,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:46,801 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:46,802 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound5.c [2024-09-13 10:08:46,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e1aa56894/8800f18e94e04fec83022a5ad7727182/FLAG9905c16ab [2024-09-13 10:08:46,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e1aa56894/8800f18e94e04fec83022a5ad7727182 [2024-09-13 10:08:46,834 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:46,835 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:46,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound5.yml/witness-2.1.yml [2024-09-13 10:08:46,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:46,896 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:46,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:46,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:46,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:46,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:46" (1/2) ... [2024-09-13 10:08:46,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479c12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:46, skipping insertion in model container [2024-09-13 10:08:46,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:46" (1/2) ... [2024-09-13 10:08:46,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d5515d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:46, skipping insertion in model container [2024-09-13 10:08:46,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:46" (2/2) ... [2024-09-13 10:08:46,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479c12f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:46, skipping insertion in model container [2024-09-13 10:08:46,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:46" (2/2) ... [2024-09-13 10:08:46,919 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:46,922 INFO L1541 ArrayList]: Loop invariant at [L32-L47] ((((((x < ((long long) X + 1)) || (((__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 <= 5)) [2024-09-13 10:08:46,922 INFO L1541 ArrayList]: Function contract at [L10]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:08:46,923 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:08:46,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:47,116 WARN L247 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_valuebound5.c[597,610] [2024-09-13 10:08:47,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:47,145 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:08:47,175 WARN L247 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_valuebound5.c[597,610] Start Parsing Local [2024-09-13 10:08:47,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:47,205 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:47,205 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:47 WrapperNode [2024-09-13 10:08:47,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:47,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:47,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:47,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:47,221 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,222 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,229 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,239 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 [2024-09-13 10:08:47,239 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,240 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,244 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,249 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,250 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,251 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:47,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:47,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:47,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:47,257 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 13.09 10:08:47" (1/1) ... [2024-09-13 10:08:47,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:47,284 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) [2024-09-13 10:08:47,289 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 [2024-09-13 10:08:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:47,390 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:47,392 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:47,557 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:47,571 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:47,598 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:47,598 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:47,599 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:47 BoogieIcfgContainer [2024-09-13 10:08:47,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:47,600 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:47,600 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:47,601 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:47,601 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:46" (1/4) ... [2024-09-13 10:08:47,601 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e492f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:47, skipping insertion in model container [2024-09-13 10:08:47,602 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:46" (2/4) ... [2024-09-13 10:08:47,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e492f9a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:47, skipping insertion in model container [2024-09-13 10:08:47,602 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 13.09 10:08:47" (3/4) ... [2024-09-13 10:08:47,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e492f9a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:47, skipping insertion in model container [2024-09-13 10:08:47,603 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:47" (4/4) ... [2024-09-13 10:08:47,604 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll_valuebound5.c [2024-09-13 10:08:47,608 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:47,608 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:47,609 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:08:47,612 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:08:47,612 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:08:47,612 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:47,613 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:47,613 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:47,613 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:08:47,681 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:08:47,682 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:47,683 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:47,683 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:47,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:47,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,697 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:08:47,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,699 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:47,699 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:47,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:47,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:47,734 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:47,765 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:08:47,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:47,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:47,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:47,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:47,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,808 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-13 10:08:47,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:47,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:47,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:47,822 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:47,842 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:47,855 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:08:47,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:47,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:47,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:47,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:47,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,867 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:08:47,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:47,868 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:47,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:47,869 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:47,876 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:47,894 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:08:47,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:47,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:47,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:47,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:47,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,921 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-13 10:08:47,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:47,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:47,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:47,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:47,929 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:47,939 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:47,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:47,940 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:47,940 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:47,940 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:47,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,945 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:47,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:47,946 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:47,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:47,946 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:47,950 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:47,968 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:47,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:47,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:47,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:47,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:47,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,973 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:47,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:47,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:47,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:47,975 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:47,977 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:47,986 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:47,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:47,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:47,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:47,987 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:47,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,988 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:47,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:47,989 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:47,989 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:47,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:47,989 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:47,991 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:47,994 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:47,995 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e492f9a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:47, skipping insertion in model container [2024-09-13 10:08:47,995 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:47,997 INFO L158 Benchmark]: Toolchain (without parser) took 1099.75ms. Allocated memory is still 184.5MB. Free memory was 126.0MB in the beginning and 57.7MB in the end (delta: 68.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:47,997 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:47,997 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:47,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.79ms. Allocated memory is still 184.5MB. Free memory was 126.0MB in the beginning and 112.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:47,998 INFO L158 Benchmark]: Boogie Preprocessor took 48.04ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:47,999 INFO L158 Benchmark]: RCFGBuilder took 343.26ms. Allocated memory is still 184.5MB. Free memory was 110.1MB in the beginning and 95.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:48,000 INFO L158 Benchmark]: Referee took 395.55ms. Allocated memory is still 184.5MB. Free memory was 95.8MB in the beginning and 57.7MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:48,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 15. 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 __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 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 loop head at line 32 to check that procedure precondition always holds at line 50. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.79ms. Allocated memory is still 184.5MB. Free memory was 126.0MB in the beginning and 112.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.04ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.26ms. Allocated memory is still 184.5MB. Free memory was 110.1MB in the beginning and 95.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 395.55ms. Allocated memory is still 184.5MB. Free memory was 95.8MB in the beginning and 57.7MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:48,031 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...