This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:53,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:53,574 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:53,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:53,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:53,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:53,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:53,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:53,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:53,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:53,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:53,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:53,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:53,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:53,627 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:53,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:53,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:53,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:53,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:53,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:53,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:53,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:53,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:53,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:53,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:53,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:53,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:53,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:53,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:53,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:53,631 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:53,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:53,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:53,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:53,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:53,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:53,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:53,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:53,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:53,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:53,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:53,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:53,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:53,634 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:53,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:53,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:53,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:53,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:53,949 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:53,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2024-09-13 10:08:55,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:55,555 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:55,556 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2024-09-13 10:08:55,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0822824fc/90a6d3d16ec447d492b5e79d29670462/FLAGd9fb86e01 [2024-09-13 10:08:55,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0822824fc/90a6d3d16ec447d492b5e79d29670462 [2024-09-13 10:08:55,953 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:55,953 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:55,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound1.yml/witness-2.1.yml [2024-09-13 10:08:56,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:56,008 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:56,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:56,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:56,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:56,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:55" (1/2) ... [2024-09-13 10:08:56,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670ec78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:56, skipping insertion in model container [2024-09-13 10:08:56,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:55" (1/2) ... [2024-09-13 10:08:56,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c6c15c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:56, skipping insertion in model container [2024-09-13 10:08:56,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:56" (2/2) ... [2024-09-13 10:08:56,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670ec78a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56, skipping insertion in model container [2024-09-13 10:08:56,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:56" (2/2) ... [2024-09-13 10:08:56,028 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:56,029 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((__int128) q * y) + r) == x) && (((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x))) && (1 <= y)) [2024-09-13 10:08:56,029 INFO L1541 ArrayList]: Loop invariant at [L47-L59] (((((((__int128) q * y) + r) == x) && (1 <= r)) && (((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x))) && (1 <= y)) [2024-09-13 10:08:56,029 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:56,029 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:08:56,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:56,201 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/cohendiv-ll_valuebound1.c[576,589] [2024-09-13 10:08:56,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:56,232 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:08:56,265 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/cohendiv-ll_valuebound1.c[576,589] Start Parsing Local Start Parsing Local [2024-09-13 10:08:56,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:56,290 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:56,291 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56 WrapperNode [2024-09-13 10:08:56,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:56,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:56,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:56,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:56,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,320 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:08:56,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:56,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:56,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:56,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:56,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (1/1) ... [2024-09-13 10:08:56,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:56,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:56,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:08:56,377 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:08:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:08:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:08:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:56,517 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:56,520 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:56,700 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:56,715 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:56,754 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:56,758 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:08:56,758 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:56 BoogieIcfgContainer [2024-09-13 10:08:56,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:56,759 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:56,759 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:56,760 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:56,760 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:55" (1/4) ... [2024-09-13 10:08:56,761 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee49b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:56, skipping insertion in model container [2024-09-13 10:08:56,761 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:56" (2/4) ... [2024-09-13 10:08:56,764 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee49b75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:56, skipping insertion in model container [2024-09-13 10:08:56,764 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:56" (3/4) ... [2024-09-13 10:08:56,765 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee49b75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:56, skipping insertion in model container [2024-09-13 10:08:56,765 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:56" (4/4) ... [2024-09-13 10:08:56,766 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound1.c [2024-09-13 10:08:56,773 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:08:56,774 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:56,774 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:08:56,774 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:56,775 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:08:56,775 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:56,775 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:56,775 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 10:08:56,775 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:08:56,776 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:08:56,776 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:08:56,776 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:56,776 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:56,776 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:56,777 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:56,777 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-13 10:08:56,852 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:08:56,853 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:56,853 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:56,854 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:56,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:56,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:56,868 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:08:56,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:56,870 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:56,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:56,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:56,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:56,891 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:56,916 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:08:56,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:56,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:56,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:56,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:56,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:56,935 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:08:56,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:56,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:56,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:56,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:56,936 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:56,941 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:56,961 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:08:56,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:56,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:56,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:56,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:56,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:56,968 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:08:56,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:56,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:56,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:56,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:56,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:56,971 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:56,990 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:08:56,991 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:56,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:56,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:56,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:56,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,002 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:08:57,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,011 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:57,027 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:08:57,027 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,027 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,027 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,032 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:08:57,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,032 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,032 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,032 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,032 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,034 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:57,045 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:57,045 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,046 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,048 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:57,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,048 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,049 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,050 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:57,062 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-13 10:08:57,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,062 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,084 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-13 10:08:57,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,088 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:57,106 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:08:57,107 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,108 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,121 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:08:57,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,124 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:57,136 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:08:57,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,137 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,137 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,146 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:08:57,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,147 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,147 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,147 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,149 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:57,161 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:08:57,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,162 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,177 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-13 10:08:57,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,188 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:57,200 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:57,200 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,200 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,203 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:57,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,206 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:57,216 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:08:57,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,217 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,217 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,229 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:08:57,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,230 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,230 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,230 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,232 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:57,254 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:57,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,255 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,255 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,255 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,259 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:57,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,260 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,262 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:57,278 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:57,279 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,280 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,280 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,282 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:57,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,284 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:57,287 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:57,288 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee49b75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:57, skipping insertion in model container [2024-09-13 10:08:57,288 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:57,290 INFO L158 Benchmark]: Toolchain (without parser) took 1280.37ms. Allocated memory was 161.5MB in the beginning and 207.6MB in the end (delta: 46.1MB). Free memory was 128.0MB in the beginning and 175.5MB in the end (delta: -47.5MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,290 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 161.5MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:57,291 INFO L158 Benchmark]: Witness Parser took 1.10ms. Allocated memory is still 161.5MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:57,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.80ms. Allocated memory is still 161.5MB. Free memory was 128.0MB in the beginning and 114.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,293 INFO L158 Benchmark]: Boogie Preprocessor took 45.71ms. Allocated memory is still 161.5MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,294 INFO L158 Benchmark]: RCFGBuilder took 420.29ms. Allocated memory is still 161.5MB. Free memory was 112.0MB in the beginning and 122.3MB in the end (delta: -10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,294 INFO L158 Benchmark]: Referee took 528.90ms. Allocated memory was 161.5MB in the beginning and 207.6MB in the end (delta: 46.1MB). Free memory was 122.3MB in the beginning and 175.5MB in the end (delta: -53.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,296 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 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. 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 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. 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 47 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 161.5MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.10ms. Allocated memory is still 161.5MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.80ms. Allocated memory is still 161.5MB. Free memory was 128.0MB in the beginning and 114.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.71ms. Allocated memory is still 161.5MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.29ms. Allocated memory is still 161.5MB. Free memory was 112.0MB in the beginning and 122.3MB in the end (delta: -10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 528.90ms. Allocated memory was 161.5MB in the beginning and 207.6MB in the end (delta: 46.1MB). Free memory was 122.3MB in the beginning and 175.5MB in the end (delta: -53.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:57,325 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...