This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:29,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:29,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:29,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:29,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:29,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:29,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:29,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:29,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:29,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:29,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:29,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:29,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:29,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:29,406 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:29,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:29,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:29,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:29,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:29,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:29,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:29,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:29,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:29,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:29,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:29,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:29,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:29,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:29,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:29,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:29,413 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:29,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:29,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:29,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:29,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:29,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:29,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:29,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:29,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:29,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:29,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:29,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:29,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:29,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:29,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:29,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:29,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:29,680 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:29,681 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:29,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-20 20:11:29,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:29,731 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:29,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 20:11:31,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:31,298 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:31,299 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 20:11:31,307 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a89828621/5475b4f7c3d74f35ae696029422a4f3e/FLAGabc3befa4 [2024-09-20 20:11:31,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a89828621/5475b4f7c3d74f35ae696029422a4f3e [2024-09-20 20:11:31,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:31,692 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:31,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:31,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:31,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:31,701 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 08:11:29" (1/2) ... [2024-09-20 20:11:31,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57937643 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:31, skipping insertion in model container [2024-09-20 20:11:31,702 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 08:11:29" (1/2) ... [2024-09-20 20:11:31,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@277192c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:31, skipping insertion in model container [2024-09-20 20:11:31,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:31" (2/2) ... [2024-09-20 20:11:31,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57937643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31, skipping insertion in model container [2024-09-20 20:11:31,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:31" (2/2) ... [2024-09-20 20:11:31,711 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:31,712 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-20 20:11:31,712 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:31,712 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-20 20:11:31,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:31,883 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_valuebound1.c[537,550] [2024-09-20 20:11:31,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:31,909 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:31,942 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_valuebound1.c[537,550] Start Parsing Local [2024-09-20 20:11:31,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:31,965 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:31,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31 WrapperNode [2024-09-20 20:11:31,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:31,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:31,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:31,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:31,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:31,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:31,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:31,995 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 20:11:31,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:31,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:32,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:32,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:32,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:32,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:32,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:32,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:32,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:32,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:32,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (1/1) ... [2024-09-20 20:11:32,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:32,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:32,049 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 20:11:32,051 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 20:11:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:32,171 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:32,175 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:32,413 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:32,444 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:32,480 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:32,481 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:32,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:32 BoogieIcfgContainer [2024-09-20 20:11:32,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:32,482 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:32,483 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:32,483 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:32,484 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 08:11:29" (1/4) ... [2024-09-20 20:11:32,485 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b78a7f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:32, skipping insertion in model container [2024-09-20 20:11:32,485 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:31" (2/4) ... [2024-09-20 20:11:32,485 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b78a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:32, skipping insertion in model container [2024-09-20 20:11:32,485 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:31" (3/4) ... [2024-09-20 20:11:32,486 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b78a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:32, skipping insertion in model container [2024-09-20 20:11:32,486 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:32" (4/4) ... [2024-09-20 20:11:32,487 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-20 20:11:32,491 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:32,491 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 20:11:32,492 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 20:11:32,494 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 20:11:32,494 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 20:11:32,494 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 20:11:32,494 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 20:11:32,495 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 20:11:32,495 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:11:32,568 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:32,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:32,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:32,570 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:32,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:32,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:32,584 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:32,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:32,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:32,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:32,586 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:32,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:32,610 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:32,649 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:32,652 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:32,652 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:32,652 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:32,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:32,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:32,678 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:32,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:32,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:32,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:32,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:32,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:32,682 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:32,695 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:32,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:32,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:32,695 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:32,695 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:32,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:32,703 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:32,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:32,703 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:32,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:32,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:32,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:36,708 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:36,724 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:36,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:36,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:36,725 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:36,725 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:36,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,740 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:36,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:36,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:36,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:36,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:36,743 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:36,770 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:36,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:36,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:36,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:36,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:36,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,772 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:36,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:36,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:36,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:36,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:36,778 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:36,792 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:36,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:36,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:36,793 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:36,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:36,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,807 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:36,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:36,808 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:36,808 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:36,808 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:36,819 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:36,841 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:36,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:36,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:36,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:36,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:36,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,870 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:36,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,871 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:36,871 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:36,871 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:36,878 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:36,882 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:36,886 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:36,886 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b78a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:36, skipping insertion in model container [2024-09-20 20:11:36,886 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:36,888 INFO L158 Benchmark]: Toolchain (without parser) took 5195.64ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 89.8MB in the beginning and 151.8MB in the end (delta: -61.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:36,889 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:36,889 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:36,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.39ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 75.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:36,890 INFO L158 Benchmark]: Boogie Preprocessor took 48.22ms. Allocated memory is still 144.7MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:36,891 INFO L158 Benchmark]: RCFGBuilder took 466.62ms. Allocated memory is still 144.7MB. Free memory was 73.4MB in the beginning and 58.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:36,891 INFO L158 Benchmark]: Referee took 4404.07ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 58.7MB in the beginning and 151.8MB in the end (delta: -93.0MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:36,894 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. 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 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.39ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 75.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.22ms. Allocated memory is still 144.7MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.62ms. Allocated memory is still 144.7MB. Free memory was 73.4MB in the beginning and 58.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4404.07ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 58.7MB in the beginning and 151.8MB in the end (delta: -93.0MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:36,916 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 20:11:38,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:39,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:39,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:39,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:39,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:39,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:39,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:39,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:39,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:39,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:39,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:39,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:39,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:39,081 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:39,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:39,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:39,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:39,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:39,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:39,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:39,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:39,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:39,089 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:39,089 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:39,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:39,090 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:39,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:39,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:39,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:39,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:39,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:39,091 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:39,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:39,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:39,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:39,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:39,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:39,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:39,097 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:39,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:39,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:39,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:39,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:39,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:39,098 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:39,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:39,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:39,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:39,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:39,420 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:39,421 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:39,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-20 20:11:39,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:39,473 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:39,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 20:11:41,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:41,207 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:41,208 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 20:11:41,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e8b91f790/46442fea98f4430087046a8bd6eaab4b/FLAG75443364e [2024-09-20 20:11:41,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e8b91f790/46442fea98f4430087046a8bd6eaab4b [2024-09-20 20:11:41,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:41,585 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:41,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:41,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:41,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:41,592 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 08:11:39" (1/2) ... [2024-09-20 20:11:41,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3417f645 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,593 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 08:11:39" (1/2) ... [2024-09-20 20:11:41,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62a9e491 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3417f645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,607 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:41,608 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-20 20:11:41,608 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:41,609 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-20 20:11:41,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:41,797 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_valuebound1.c[537,550] [2024-09-20 20:11:41,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:41,832 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:41,870 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_valuebound1.c[537,550] Start Parsing Local [2024-09-20 20:11:41,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:41,903 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:41,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41 WrapperNode [2024-09-20 20:11:41,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:41,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:41,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:41,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:41,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,940 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 20:11:41,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:41,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:41,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:41,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:41,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:41,996 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 20:11:42,003 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 20:11:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:42,128 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:42,132 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:42,431 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:42,447 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:42,484 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:42,484 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:42,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42 BoogieIcfgContainer [2024-09-20 20:11:42,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:42,486 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:42,486 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:42,486 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:42,487 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 08:11:39" (1/4) ... [2024-09-20 20:11:42,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5964b16c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:41" (2/4) ... [2024-09-20 20:11:42,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5964b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (3/4) ... [2024-09-20 20:11:42,489 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5964b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,489 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42" (4/4) ... [2024-09-20 20:11:42,490 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-20 20:11:42,494 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:42,495 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 20:11:42,496 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 20:11:42,496 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 20:11:42,496 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 20:11:42,497 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 20:11:42,497 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 20:11:42,497 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 20:11:42,497 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-20 20:11:42,561 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:42,562 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,562 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,563 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,563 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,576 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:42,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,588 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,611 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:42,645 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:42,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,648 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,663 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:42,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,664 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,664 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,666 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:42,681 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:42,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,682 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,694 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:42,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,697 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,699 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:42,714 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:42,715 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,715 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,715 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,718 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:42,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,719 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,721 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:42,733 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:42,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,735 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:42,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,736 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,736 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,736 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,736 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,738 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:42,753 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:42,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,766 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:42,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,770 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:42,781 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:42,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,799 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:42,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,822 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:42,829 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:11:42,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5964b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,829 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:42,831 INFO L158 Benchmark]: Toolchain (without parser) took 1244.57ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 30.3MB in the end (delta: 21.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:42,831 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 25.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:42,832 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:42,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.80ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 37.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:42,833 INFO L158 Benchmark]: Boogie Preprocessor took 56.97ms. Allocated memory is still 77.6MB. Free memory was 37.4MB in the beginning and 35.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:42,834 INFO L158 Benchmark]: RCFGBuilder took 522.62ms. Allocated memory is still 77.6MB. Free memory was 35.1MB in the beginning and 46.1MB in the end (delta: -11.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:42,834 INFO L158 Benchmark]: Referee took 343.72ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 30.3MB in the end (delta: 15.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-20 20:11:42,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from 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 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 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 25.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.80ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 37.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.97ms. Allocated memory is still 77.6MB. Free memory was 37.4MB in the beginning and 35.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.62ms. Allocated memory is still 77.6MB. Free memory was 35.1MB in the beginning and 46.1MB in the end (delta: -11.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Referee took 343.72ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 30.3MB in the end (delta: 15.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:11:42,862 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...