This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:24,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:24,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:24,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:24,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:24,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:24,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:24,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:24,086 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:24,086 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:24,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:24,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:24,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:24,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:24,088 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:24,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:24,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:24,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:24,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:24,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:24,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:24,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:24,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:24,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:24,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:24,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:24,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:24,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:24,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:24,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:24,099 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:24,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:24,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:24,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:24,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:24,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:24,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:24,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:24,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:24,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:24,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:24,108 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:24,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:24,108 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:24,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:24,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:24,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:24,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:24,376 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:24,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-13 10:09:25,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:25,964 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:25,965 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-13 10:09:25,973 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8bdfb05d4/115e9ef3acd54c40987f9250abca7535/FLAG263e6630e [2024-09-13 10:09:25,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8bdfb05d4/115e9ef3acd54c40987f9250abca7535 [2024-09-13 10:09:25,989 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:25,989 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:25,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml [2024-09-13 10:09:26,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:26,039 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:26,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:26,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:26,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:26,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:25" (1/2) ... [2024-09-13 10:09:26,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d358ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:26, skipping insertion in model container [2024-09-13 10:09:26,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:25" (1/2) ... [2024-09-13 10:09:26,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a60566d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:26, skipping insertion in model container [2024-09-13 10:09:26,049 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 10:09:26" (2/2) ... [2024-09-13 10:09:26,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d358ec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:26, skipping insertion in model container [2024-09-13 10:09:26,050 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 10:09:26" (2/2) ... [2024-09-13 10:09:26,059 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:26,059 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((__int128) v * 2) + ((__int128) u * u)) == (((((__int128) v * v) + ((__int128) u * 2)) + ((long long) A * 4)) + ((__int128) r * 4))) [2024-09-13 10:09:26,059 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:26,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:26,228 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/fermat2-ll_valuebound50.c[524,537] [2024-09-13 10:09:26,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:26,257 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:09:26,301 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/fermat2-ll_valuebound50.c[524,537] Start Parsing Local [2024-09-13 10:09:26,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:26,336 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:26,337 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:26 WrapperNode [2024-09-13 10:09:26,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:26,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:26,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:26,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:26,351 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,351 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,358 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,395 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 [2024-09-13 10:09:26,395 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,395 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,407 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,414 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,415 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,416 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:26,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:26,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:26,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:26,424 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 10:09:26" (1/1) ... [2024-09-13 10:09:26,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:26,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:26,455 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 10:09:26,458 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 10:09:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:26,585 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:26,587 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:26,735 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:26,752 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:26,775 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:26,775 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:26,776 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:26 BoogieIcfgContainer [2024-09-13 10:09:26,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:26,776 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:26,777 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:26,777 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:26,777 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:25" (1/4) ... [2024-09-13 10:09:26,778 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5baf72b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:26, skipping insertion in model container [2024-09-13 10:09:26,778 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 10:09:26" (2/4) ... [2024-09-13 10:09:26,778 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5baf72b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:26, skipping insertion in model container [2024-09-13 10:09:26,778 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 10:09:26" (3/4) ... [2024-09-13 10:09:26,779 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5baf72b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:26, skipping insertion in model container [2024-09-13 10:09:26,779 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 10:09:26" (4/4) ... [2024-09-13 10:09:26,781 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound50.c [2024-09-13 10:09:26,789 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:26,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:09:26,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:26,793 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:26,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:26,794 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 10:09:26,794 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 10:09:26,794 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:09:26,852 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:26,853 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:26,854 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:26,854 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:26,856 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:26,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:26,885 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:26,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:26,889 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:26,889 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:26,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:26,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:26,923 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:26,951 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:26,951 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:26,951 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:26,951 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:26,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:26,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:26,961 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:26,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:26,961 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:26,962 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:26,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:26,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:26,965 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:26,987 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 10:09:26,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:26,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:26,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:26,987 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:26,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,008 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 10:09:27,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,011 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:27,011 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:27,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:27,012 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:27,022 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:27,041 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:09:27,042 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:27,042 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:27,042 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:27,042 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:27,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,063 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:09:27,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:27,064 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:27,064 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:27,070 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:27,077 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:27,093 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:27,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:27,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:27,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:27,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:27,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,098 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:27,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:27,099 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:27,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:27,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:27,103 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:27,112 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:27,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:27,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:27,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:27,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:27,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,115 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:27,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:27,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:27,115 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:27,115 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:27,116 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:27,117 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:27,121 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:09:27,121 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5baf72b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:27, skipping insertion in model container [2024-09-13 10:09:27,121 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:27,123 INFO L158 Benchmark]: Toolchain (without parser) took 1083.41ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 66.3MB in the beginning and 101.3MB in the end (delta: -35.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-13 10:09:27,124 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 121.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:27,125 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:27,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.53ms. Allocated memory is still 121.6MB. Free memory was 66.3MB in the beginning and 52.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:27,126 INFO L158 Benchmark]: Boogie Preprocessor took 82.28ms. Allocated memory is still 121.6MB. Free memory was 52.5MB in the beginning and 93.9MB in the end (delta: -41.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:27,127 INFO L158 Benchmark]: RCFGBuilder took 355.01ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 93.8MB in the beginning and 127.6MB in the end (delta: -33.7MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:27,128 INFO L158 Benchmark]: Referee took 344.79ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 101.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-13 10:09:27,130 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 main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head 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 loop head at line 35 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 check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 121.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.53ms. Allocated memory is still 121.6MB. Free memory was 66.3MB in the beginning and 52.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.28ms. Allocated memory is still 121.6MB. Free memory was 52.5MB in the beginning and 93.9MB in the end (delta: -41.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.01ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 93.8MB in the beginning and 127.6MB in the end (delta: -33.7MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Referee took 344.79ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 101.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:27,154 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...