This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:37,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:37,458 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:37,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:37,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:37,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:37,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:37,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:37,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:37,494 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:37,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:37,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:37,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:37,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:37,500 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:37,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:37,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:37,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:37,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:37,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:37,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:37,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:37,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:37,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:37,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:37,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:37,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:37,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:37,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:37,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:37,504 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:37,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:37,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:37,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:37,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:37,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:37,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:37,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:37,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:37,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:37,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:37,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:37,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:37,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:37,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:37,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:37,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:37,754 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:37,755 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:37,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-20 20:11:37,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:37,873 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:37,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 20:11:39,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:39,366 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:39,367 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 20:11:39,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c8bc2c988/58935503898448e6ac3f6ed62e8607cf/FLAGd0b0cb10b [2024-09-20 20:11:39,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c8bc2c988/58935503898448e6ac3f6ed62e8607cf [2024-09-20 20:11:39,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:39,389 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:39,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:39,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:39,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:39,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:37" (1/2) ... [2024-09-20 20:11:39,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c3a327 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:39, skipping insertion in model container [2024-09-20 20:11:39,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:37" (1/2) ... [2024-09-20 20:11:39,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dde7a1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:39, skipping insertion in model container [2024-09-20 20:11:39,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:39" (2/2) ... [2024-09-20 20:11:39,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c3a327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39, skipping insertion in model container [2024-09-20 20:11:39,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:39" (2/2) ... [2024-09-20 20:11:39,405 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:39,407 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 20:11:39,408 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:39,408 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:39,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:39,569 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-20 20:11:39,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:39,589 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:39,617 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-20 20:11:39,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:39,636 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:39,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39 WrapperNode [2024-09-20 20:11:39,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:39,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:39,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:39,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:39,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,662 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 [2024-09-20 20:11:39,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:39,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:39,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:39,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:39,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (1/1) ... [2024-09-20 20:11:39,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:39,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:39,698 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) [2024-09-20 20:11:39,703 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 [2024-09-20 20:11:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:39,787 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:39,788 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:39,999 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:40,020 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:40,046 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:40,047 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:40,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:40 BoogieIcfgContainer [2024-09-20 20:11:40,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:40,049 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:40,049 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:40,050 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:40,050 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:37" (1/4) ... [2024-09-20 20:11:40,051 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ee35a50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:40, skipping insertion in model container [2024-09-20 20:11:40,051 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:39" (2/4) ... [2024-09-20 20:11:40,051 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ee35a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:40, skipping insertion in model container [2024-09-20 20:11:40,051 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39" (3/4) ... [2024-09-20 20:11:40,052 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ee35a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:40, skipping insertion in model container [2024-09-20 20:11:40,052 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:40" (4/4) ... [2024-09-20 20:11:40,053 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-20 20:11:40,056 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:40,057 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:40,057 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:40,057 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:40,057 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:40,057 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:40,058 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:40,058 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:40,058 INFO L131 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 [2024-09-20 20:11:40,103 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:40,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,105 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,112 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:40,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,114 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,140 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:40,159 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:40,162 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,187 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:40,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,196 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:40,214 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:40,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,220 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:40,221 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,221 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,225 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:44,238 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:44,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,241 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:44,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,243 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:44,252 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:44,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,253 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,253 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,254 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:44,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,254 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,254 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,255 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,255 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,256 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:44,265 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:44,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,273 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:44,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,276 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:44,283 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:44,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,301 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:44,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,301 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,302 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,314 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:48,320 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:48,322 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ee35a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:48, skipping insertion in model container [2024-09-20 20:11:48,322 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:48,324 INFO L158 Benchmark]: Toolchain (without parser) took 8933.51ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 97.8MB in the beginning and 130.7MB in the end (delta: -32.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,324 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:48,324 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 174.1MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:48,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.07ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 97.7MB in the beginning and 195.1MB in the end (delta: -97.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,326 INFO L158 Benchmark]: Boogie Preprocessor took 33.55ms. Allocated memory is still 230.7MB. Free memory was 195.1MB in the beginning and 193.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,327 INFO L158 Benchmark]: RCFGBuilder took 377.07ms. Allocated memory is still 230.7MB. Free memory was 193.0MB in the beginning and 175.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,327 INFO L158 Benchmark]: Referee took 8273.60ms. Allocated memory is still 230.7MB. Free memory was 175.2MB in the beginning and 130.7MB in the end (delta: 44.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 174.1MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.07ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 97.7MB in the beginning and 195.1MB in the end (delta: -97.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.55ms. Allocated memory is still 230.7MB. Free memory was 195.1MB in the beginning and 193.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.07ms. Allocated memory is still 230.7MB. Free memory was 193.0MB in the beginning and 175.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 8273.60ms. Allocated memory is still 230.7MB. Free memory was 175.2MB in the beginning and 130.7MB in the end (delta: 44.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:48,351 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:50,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:50,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:50,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:50,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:50,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:50,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:50,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:50,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:50,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:50,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:50,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:50,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:50,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:50,375 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:50,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:50,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:50,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:50,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:50,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:50,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:50,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:50,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:50,382 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:50,382 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:50,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:50,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:50,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:50,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:50,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:50,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:50,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:50,384 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:50,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:50,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:50,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:50,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:50,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:50,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:50,387 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:50,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:50,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:50,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:50,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:50,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:50,388 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:50,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:50,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:50,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:50,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:50,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:50,681 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:50,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 20:11:51,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:52,102 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:52,103 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 20:11:52,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/560abe023/01eba6d4d10043f9be5c92865c448830/FLAGcdd2ff103 [2024-09-20 20:11:52,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/560abe023/01eba6d4d10043f9be5c92865c448830 [2024-09-20 20:11:52,121 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:52,121 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:52,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-20 20:11:52,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:52,158 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:52,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:52,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:52,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:52,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:52" (1/2) ... [2024-09-20 20:11:52,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b5ee11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:52, skipping insertion in model container [2024-09-20 20:11:52,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:52" (1/2) ... [2024-09-20 20:11:52,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a41918d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:52, skipping insertion in model container [2024-09-20 20:11:52,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:52" (2/2) ... [2024-09-20 20:11:52,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b5ee11 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:52, skipping insertion in model container [2024-09-20 20:11:52,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:52" (2/2) ... [2024-09-20 20:11:52,172 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:52,172 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 20:11:52,172 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:52,172 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:52,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:52,295 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-20 20:11:52,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:52,325 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:52,371 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-20 20:11:52,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:52,400 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:52,400 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:52 WrapperNode [2024-09-20 20:11:52,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:52,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:52,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:52,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:52,412 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,412 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,419 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,428 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 [2024-09-20 20:11:52,430 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,431 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,439 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,442 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,443 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,444 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:52,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:52,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:52,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:52,451 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 20.09 08:11:52" (1/1) ... [2024-09-20 20:11:52,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:52,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:52,475 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) [2024-09-20 20:11:52,477 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 [2024-09-20 20:11:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:52,584 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:52,587 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:53,196 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:53,234 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:53,264 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:53,264 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:53,264 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:53 BoogieIcfgContainer [2024-09-20 20:11:53,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:53,265 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:53,265 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:53,269 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:53,269 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:52" (1/4) ... [2024-09-20 20:11:53,270 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a1e40a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:53, skipping insertion in model container [2024-09-20 20:11:53,270 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:52" (2/4) ... [2024-09-20 20:11:53,270 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a1e40a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:53, skipping insertion in model container [2024-09-20 20:11:53,270 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 20.09 08:11:52" (3/4) ... [2024-09-20 20:11:53,270 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a1e40a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:53, skipping insertion in model container [2024-09-20 20:11:53,270 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:53" (4/4) ... [2024-09-20 20:11:53,271 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-20 20:11:53,275 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:53,276 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:53,276 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:53,276 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:53,276 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:53,276 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:53,277 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:53,277 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:53,277 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 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 [2024-09-20 20:11:53,313 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:53,314 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:53,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:53,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:53,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:53,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,325 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:53,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,326 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:53,326 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:53,326 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:53,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:53,340 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:53,356 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:53,356 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:53,356 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:53,356 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:53,356 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:53,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,368 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:53,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:53,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:53,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:53,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:53,370 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:53,383 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:53,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:53,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:53,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:53,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:53,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,390 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:53,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:53,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:53,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:53,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:57,428 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:57,474 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:57,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:57,476 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:57,476 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:57,476 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:57,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,483 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:57,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:57,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:57,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:57,484 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:57,486 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:57,537 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:57,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:57,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:57,538 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:57,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:57,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,539 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:57,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:57,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:57,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:57,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:57,540 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:57,548 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:57,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:57,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:57,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:57,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:57,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,557 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:57,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:57,557 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:57,557 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:57,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:57,575 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:57,585 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:57,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:57,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:57,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:57,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:57,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,596 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:57,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:57,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:57,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:57,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:57,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:01,676 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:12:01,710 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:12:01,711 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a1e40a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:01, skipping insertion in model container [2024-09-20 20:12:01,711 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:01,716 INFO L158 Benchmark]: Toolchain (without parser) took 9553.15ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 55.5MB in the end (delta: -3.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-09-20 20:12:01,716 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:01,716 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:01,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.59ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 72.8MB in the end (delta: -21.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-20 20:12:01,717 INFO L158 Benchmark]: Boogie Preprocessor took 48.13ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 70.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:12:01,717 INFO L158 Benchmark]: RCFGBuilder took 814.45ms. Allocated memory is still 94.4MB. Free memory was 70.8MB in the beginning and 55.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:12:01,718 INFO L158 Benchmark]: Referee took 8446.09ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 55.5MB in the end (delta: -382.0kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:01,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.59ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 72.8MB in the end (delta: -21.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.13ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 70.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 814.45ms. Allocated memory is still 94.4MB. Free memory was 70.8MB in the beginning and 55.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8446.09ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 55.5MB in the end (delta: -382.0kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:12:01,792 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...