This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:01,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:01,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:09:01,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:01,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:01,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:01,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:01,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:01,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:01,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:01,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:01,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:01,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:01,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:01,729 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:01,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:01,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:01,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:01,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:09:01,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:01,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:01,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:01,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:01,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:01,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:01,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:01,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:01,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:01,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:01,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:01,734 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:01,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:01,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:01,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:01,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:01,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:01,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:01,735 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:09:01,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:09:01,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:01,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:01,736 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:01,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:01,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:01,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:01,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:01,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:01,923 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:01,923 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:01,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml [2024-09-13 05:09:01,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:01,983 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:01,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-13 05:09:03,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:03,316 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:03,316 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-13 05:09:03,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/776d6ba3d/b546e0d2b3c04ba8a9c316d08f6137cb/FLAG3c204b851 [2024-09-13 05:09:03,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/776d6ba3d/b546e0d2b3c04ba8a9c316d08f6137cb [2024-09-13 05:09:03,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:03,339 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:03,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:03,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:03,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:03,346 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 05:09:01" (1/2) ... [2024-09-13 05:09:03,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141cfbca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,348 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 05:09:01" (1/2) ... [2024-09-13 05:09:03,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2101f1ee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:03" (2/2) ... [2024-09-13 05:09:03,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141cfbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:03" (2/2) ... [2024-09-13 05:09:03,356 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:03,359 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-13 05:09:03,359 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:03,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:03,505 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/lcm2_valuebound10.c[537,550] [2024-09-13 05:09:03,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:03,532 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:09:03,561 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/lcm2_valuebound10.c[537,550] Start Parsing Local [2024-09-13 05:09:03,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:03,583 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:03,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03 WrapperNode [2024-09-13 05:09:03,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:03,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:03,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:03,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:03,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,629 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 05:09:03,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:03,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:03,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:03,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:03,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (1/1) ... [2024-09-13 05:09:03,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:03,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:03,672 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 05:09:03,674 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 05:09:03,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:09:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:09:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:09:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:03,758 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:03,760 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:03,940 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:03,958 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:03,984 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:03,985 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:03,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:03 BoogieIcfgContainer [2024-09-13 05:09:03,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:03,987 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:03,987 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:03,988 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:03,988 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 05:09:01" (1/4) ... [2024-09-13 05:09:03,989 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25618197 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,989 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:03" (2/4) ... [2024-09-13 05:09:03,989 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25618197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,989 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:03" (3/4) ... [2024-09-13 05:09:03,989 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25618197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,990 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:03" (4/4) ... [2024-09-13 05:09:03,990 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound10.c [2024-09-13 05:09:03,993 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:03,993 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:09:03,994 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:03,994 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 05:09:03,994 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 05:09:03,994 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:09:03,994 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:09:03,994 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 05:09:04,051 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:04,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,083 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:04,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:04,095 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:04,112 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:04,131 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:04,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,131 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,137 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:04,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,138 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,139 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:04,139 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:08,142 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:08,161 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:08,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:08,161 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:08,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:08,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:08,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,168 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:08,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,168 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:08,168 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:08,168 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:08,169 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:08,173 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:08,185 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:08,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:08,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:08,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:08,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:08,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,189 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:08,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,191 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:08,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:08,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:08,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:08,195 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:08,205 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:08,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:08,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:08,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:08,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:08,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,210 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:08,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,210 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:08,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:08,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:08,211 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:08,212 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:08,219 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:08,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:08,220 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:08,220 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:08,220 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:08,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,235 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:08,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:08,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:08,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:08,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:08,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:12,243 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:12,249 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:12,249 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25618197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:12, skipping insertion in model container [2024-09-13 05:09:12,249 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:12,251 INFO L158 Benchmark]: Toolchain (without parser) took 8910.72ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 83.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:12,251 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:12,251 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 163.6MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:12,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.49ms. Allocated memory is still 163.6MB. Free memory was 90.9MB in the beginning and 77.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:09:12,252 INFO L158 Benchmark]: Boogie Preprocessor took 54.76ms. Allocated memory is still 163.6MB. Free memory was 77.3MB in the beginning and 135.2MB in the end (delta: -57.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-13 05:09:12,253 INFO L158 Benchmark]: RCFGBuilder took 347.12ms. Allocated memory is still 163.6MB. Free memory was 135.2MB in the beginning and 120.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:12,253 INFO L158 Benchmark]: Referee took 8262.79ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 83.4MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:12,255 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 check that procedure precondition always holds at line 38. 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. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.08ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 163.6MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.49ms. Allocated memory is still 163.6MB. Free memory was 90.9MB in the beginning and 77.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.76ms. Allocated memory is still 163.6MB. Free memory was 77.3MB in the beginning and 135.2MB in the end (delta: -57.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 347.12ms. Allocated memory is still 163.6MB. Free memory was 135.2MB in the beginning and 120.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8262.79ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 83.4MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:12,275 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-dev-5189fb6-m [2024-09-13 05:09:13,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:13,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:09:13,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:13,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:14,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:14,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:14,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:14,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:14,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:14,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:14,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:14,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:14,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:14,017 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:14,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:14,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:14,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:14,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:14,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:14,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:14,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:14,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:14,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:09:14,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:09:14,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:14,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:09:14,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:14,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:14,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:14,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:14,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:14,022 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:14,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:14,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:14,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:14,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:14,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:14,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:14,023 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:09:14,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:09:14,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:14,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:14,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:14,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:14,026 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:09:14,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:14,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:14,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:14,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:14,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:14,297 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:14,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-13 05:09:15,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:15,708 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:15,708 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-13 05:09:15,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6c9b069e0/dd4808aaeb80476eb89ed61ebe0d866e/FLAG6d1168195 [2024-09-13 05:09:15,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6c9b069e0/dd4808aaeb80476eb89ed61ebe0d866e [2024-09-13 05:09:15,730 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:15,731 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:15,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml [2024-09-13 05:09:15,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:15,780 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:15,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:15,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:15,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:15,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:15" (1/2) ... [2024-09-13 05:09:15,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e43f59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:15, skipping insertion in model container [2024-09-13 05:09:15,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:15" (1/2) ... [2024-09-13 05:09:15,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bff8092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:15, skipping insertion in model container [2024-09-13 05:09:15,789 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 05:09:15" (2/2) ... [2024-09-13 05:09:15,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e43f59f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:15, skipping insertion in model container [2024-09-13 05:09:15,790 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 05:09:15" (2/2) ... [2024-09-13 05:09:15,794 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:15,796 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-13 05:09:15,796 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:15,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:15,934 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/lcm2_valuebound10.c[537,550] [2024-09-13 05:09:15,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:15,963 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:09:15,995 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/lcm2_valuebound10.c[537,550] Start Parsing Local [2024-09-13 05:09:16,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:16,016 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:16,017 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:16 WrapperNode [2024-09-13 05:09:16,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:16,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:16,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:16,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:16,028 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,028 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,033 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,041 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 05:09:16,042 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,042 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,047 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,049 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,051 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,051 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:16,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:16,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:16,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:16,054 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:16,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:16,076 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 05:09:16,078 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 05:09:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:09:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:16,176 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:16,178 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:16,483 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:16,503 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:16,537 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:16,537 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:16,537 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:16 BoogieIcfgContainer [2024-09-13 05:09:16,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:16,538 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:16,538 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:16,538 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:16,539 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:15" (1/4) ... [2024-09-13 05:09:16,539 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75023c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:16, skipping insertion in model container [2024-09-13 05:09:16,539 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 05:09:15" (2/4) ... [2024-09-13 05:09:16,539 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75023c8c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:16, skipping insertion in model container [2024-09-13 05:09:16,539 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 05:09:16" (3/4) ... [2024-09-13 05:09:16,539 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75023c8c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:16, skipping insertion in model container [2024-09-13 05:09:16,540 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 05:09:16" (4/4) ... [2024-09-13 05:09:16,541 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound10.c [2024-09-13 05:09:16,543 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:16,544 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:09:16,544 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:16,545 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 05:09:16,546 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 05:09:16,546 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:09:16,546 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:09:16,546 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:09:16,596 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:16,598 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:16,598 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:16,599 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:16,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:16,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,635 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:16,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,636 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:16,636 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:16,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:16,640 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:16,652 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:16,678 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:16,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:16,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:16,680 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:16,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:16,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,685 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:16,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,689 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:16,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:16,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:16,690 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:16,718 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:16,741 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:16,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:16,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:16,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:16,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:16,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,745 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:16,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:16,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:16,748 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:16,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:16,754 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:16,765 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:16,766 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:16,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:16,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:16,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:16,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,769 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:16,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:16,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:16,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:16,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:16,772 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:16,790 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:16,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:16,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:16,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:16,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:16,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,796 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:16,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:16,797 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:16,797 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:16,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:16,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,810 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:20,820 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:20,821 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,832 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:20,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,837 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:24,874 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:24,890 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:24,891 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75023c8c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:24, skipping insertion in model container [2024-09-13 05:09:24,891 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:24,892 INFO L158 Benchmark]: Toolchain (without parser) took 9111.31ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 48.4MB in the end (delta: -5.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,892 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 79.7MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:24,893 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:24,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.14ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 54.7MB in the end (delta: -11.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,893 INFO L158 Benchmark]: Boogie Preprocessor took 35.16ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 52.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,894 INFO L158 Benchmark]: RCFGBuilder took 483.97ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 37.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,894 INFO L158 Benchmark]: Referee took 8353.13ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 37.4MB in the beginning and 48.4MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,896 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 entry of procedure main to loop head at line 37. 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 __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 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 79.7MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.14ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 54.7MB in the end (delta: -11.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.16ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 52.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.97ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 37.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8353.13ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 37.4MB in the beginning and 48.4MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:24,925 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...