This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:56,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:57,008 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:57,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:57,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:57,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:57,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:57,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:57,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:57,034 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:57,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:57,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:57,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:57,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:57,037 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:57,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:57,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:57,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:57,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:57,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:57,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:57,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:57,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:57,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:57,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:57,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:57,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:57,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:57,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:57,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:57,042 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:57,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:57,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:57,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:57,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:57,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:57,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:57,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:57,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:57,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:57,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:57,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:57,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:57,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:57,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:57,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:57,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:57,250 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:57,251 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:57,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-21 12:48:57,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:57,309 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:57,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-21 12:48:58,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:58,681 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:58,681 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-21 12:48:58,688 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/38b74fd65/ffa4cb682f6f497dae3f9d9a0fab5f87/FLAGcaefb98ab [2024-09-21 12:48:58,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/38b74fd65/ffa4cb682f6f497dae3f9d9a0fab5f87 [2024-09-21 12:48:58,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:58,702 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:58,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:58,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:58,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:58,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:57" (1/2) ... [2024-09-21 12:48:58,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa9ca9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:57" (1/2) ... [2024-09-21 12:48:58,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a09d8db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:58" (2/2) ... [2024-09-21 12:48:58,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa9ca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:58" (2/2) ... [2024-09-21 12:48:58,716 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:58,716 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-21 12:48:58,716 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-21 12:48:58,716 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:48:58,716 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:48:58,717 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:58,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:58,870 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/divbin_unwindbound1.i[950,963] [2024-09-21 12:48:58,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:58,896 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:48:58,927 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 12:48:58,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:58,954 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:58,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58 WrapperNode [2024-09-21 12:48:58,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:58,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:58,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:58,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:58,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,987 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 [2024-09-21 12:48:58,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:59,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:59,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:59,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:59,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:59,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:59,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:59,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:59,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:59,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:59,034 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) [2024-09-21 12:48:59,036 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 [2024-09-21 12:48:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:48:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:48:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:48:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:59,128 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:59,130 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:59,147 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:59,168 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:59,280 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:59,297 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:59,327 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:59,327 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:48:59,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:59 BoogieIcfgContainer [2024-09-21 12:48:59,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:59,328 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:59,328 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:59,329 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:59,329 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:57" (1/4) ... [2024-09-21 12:48:59,329 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79de8e21 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,329 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:58" (2/4) ... [2024-09-21 12:48:59,329 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79de8e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,330 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58" (3/4) ... [2024-09-21 12:48:59,330 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79de8e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,330 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:59" (4/4) ... [2024-09-21 12:48:59,330 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-21 12:48:59,333 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:48:59,333 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:59,334 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:48:59,335 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:48:59,335 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:59,335 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:59,335 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from procedure entry to error location [2024-09-21 12:48:59,379 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:48:59,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,392 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:48:59,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,395 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,406 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:59,422 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:48:59,422 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,422 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,422 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,422 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,443 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:48:59,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,443 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,450 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:03,464 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:03,464 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,464 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,465 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,465 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:03,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,466 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,466 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,466 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,467 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:03,477 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:03,478 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,478 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,478 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,479 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:03,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,479 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,479 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,481 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:03,501 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:49:03,501 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,501 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,501 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,502 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,520 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:49:03,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,520 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,520 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,527 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:03,543 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:03,546 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,546 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,546 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,547 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,553 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:03,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,556 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,559 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:03,568 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:03,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,574 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:03,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,574 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,581 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:03,596 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:03,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,620 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:03,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,620 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,620 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,621 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,622 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:03,630 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:03,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,632 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:03,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,632 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,633 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,635 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:03,644 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:03,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,644 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,646 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:03,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,647 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,647 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,647 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,647 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,649 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:03,655 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:03,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,656 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,656 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,665 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:03,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,670 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:03,677 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:03,678 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,678 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,678 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,678 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,681 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:03,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,684 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:03,692 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:03,692 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,693 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:03,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,693 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,694 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,695 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:03,698 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:03,699 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79de8e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:03, skipping insertion in model container [2024-09-21 12:49:03,699 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:03,701 INFO L158 Benchmark]: Toolchain (without parser) took 4997.62ms. Allocated memory is still 178.3MB. Free memory was 105.4MB in the beginning and 64.3MB in the end (delta: 41.0MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,701 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:03,701 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 178.3MB. Free memory was 150.5MB in the beginning and 150.3MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:03,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.99ms. Allocated memory is still 178.3MB. Free memory was 105.2MB in the beginning and 141.9MB in the end (delta: -36.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,702 INFO L158 Benchmark]: Boogie Preprocessor took 46.70ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,703 INFO L158 Benchmark]: RCFGBuilder took 321.95ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 125.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,703 INFO L158 Benchmark]: Referee took 4371.19ms. Allocated memory is still 178.3MB. Free memory was 125.1MB in the beginning and 64.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,705 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 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. 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 20. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 178.3MB. Free memory was 150.5MB in the beginning and 150.3MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.99ms. Allocated memory is still 178.3MB. Free memory was 105.2MB in the beginning and 141.9MB in the end (delta: -36.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.70ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.95ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 125.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4371.19ms. Allocated memory is still 178.3MB. Free memory was 125.1MB in the beginning and 64.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:03,725 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-27b4987-m [2024-09-21 12:49:05,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:05,517 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:49:05,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:05,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:05,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:05,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:05,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:05,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:05,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:05,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:05,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:05,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:05,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:05,552 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:05,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:05,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:05,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:05,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:05,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:05,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:05,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:05,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:05,557 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:49:05,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:49:05,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:05,558 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:49:05,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:05,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:05,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:05,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:05,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:05,559 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:05,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:05,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:05,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:05,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:05,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:05,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:05,560 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:49:05,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:49:05,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:05,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:05,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:05,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:05,562 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:49:05,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:05,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:05,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:05,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:05,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:05,841 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:05,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-21 12:49:07,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:07,280 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:07,281 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-21 12:49:07,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/59dc51fe1/ee11e6445c1a4596894a0e676746206e/FLAGd999ff7bc [2024-09-21 12:49:07,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/59dc51fe1/ee11e6445c1a4596894a0e676746206e [2024-09-21 12:49:07,687 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:07,687 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:07,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-21 12:49:07,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:07,728 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:07,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:07,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:07,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:07,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:07" (1/2) ... [2024-09-21 12:49:07,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204ea313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:07, skipping insertion in model container [2024-09-21 12:49:07,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:07" (1/2) ... [2024-09-21 12:49:07,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cce04d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:07, skipping insertion in model container [2024-09-21 12:49:07,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:07" (2/2) ... [2024-09-21 12:49:07,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204ea313 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:07, skipping insertion in model container [2024-09-21 12:49:07,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:07" (2/2) ... [2024-09-21 12:49:07,749 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:07,750 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-21 12:49:07,750 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-21 12:49:07,750 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:07,750 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:07,750 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:49:07,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:07,898 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/divbin_unwindbound1.i[950,963] [2024-09-21 12:49:07,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:07,935 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:07,968 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 12:49:07,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:07,996 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:07,997 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:07 WrapperNode [2024-09-21 12:49:07,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:07,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:07,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:07,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:08,009 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,009 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,016 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,027 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 [2024-09-21 12:49:08,027 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,027 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,033 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,037 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,043 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,044 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:08,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:08,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:08,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:08,051 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 21.09 12:49:07" (1/1) ... [2024-09-21 12:49:08,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:08,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:08,081 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) [2024-09-21 12:49:08,084 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 [2024-09-21 12:49:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:49:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:49:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:49:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:08,200 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:08,202 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:08,230 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:08,257 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:08,388 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:08,406 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:08,436 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:08,438 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:49:08,439 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:08 BoogieIcfgContainer [2024-09-21 12:49:08,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:08,439 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:08,440 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:08,441 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:08,441 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:07" (1/4) ... [2024-09-21 12:49:08,441 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@117f9221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,442 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:07" (2/4) ... [2024-09-21 12:49:08,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@117f9221 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,442 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 21.09 12:49:07" (3/4) ... [2024-09-21 12:49:08,443 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@117f9221 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,443 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:08" (4/4) ... [2024-09-21 12:49:08,444 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-21 12:49:08,447 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:49:08,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:08,449 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:08,449 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:08,449 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:08,449 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:08,449 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:08,449 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:08,450 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:08,450 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:08,450 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:08,450 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:08,451 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:08,451 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:08,451 INFO L131 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:49:08,487 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:08,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,498 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:08,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,499 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,516 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:08,533 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:08,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,547 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:08,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,550 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,554 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:08,564 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:08,565 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,565 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,566 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:08,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,568 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:08,577 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:08,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,579 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:08,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,581 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:08,597 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:49:08,598 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,598 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,599 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,599 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,625 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:49:08,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,632 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,637 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:08,645 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:08,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,657 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:08,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,657 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,657 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,660 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,679 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:08,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,694 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:08,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,696 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,699 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:08,708 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:08,709 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,709 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,709 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,719 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:08,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,721 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:08,726 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:08,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,727 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,727 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,727 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:08,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,727 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,727 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,728 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,729 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:08,734 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:08,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,737 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:08,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,737 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,737 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,737 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,740 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:08,747 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:08,747 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,748 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,748 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,753 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:08,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,756 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,759 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:08,766 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:08,766 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,766 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,769 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:08,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,769 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,770 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,773 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:08,779 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:08,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:08,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:08,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:08,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:08,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,781 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:08,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:08,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:08,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:08,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:08,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:08,783 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:08,789 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:49:08,790 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@117f9221 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,790 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:08,791 INFO L158 Benchmark]: Toolchain (without parser) took 1062.97ms. Allocated memory is still 113.2MB. Free memory was 86.4MB in the beginning and 64.3MB in the end (delta: 22.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-09-21 12:49:08,791 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 71.3MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:08,792 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:08,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.69ms. Allocated memory is still 113.2MB. Free memory was 86.4MB in the beginning and 71.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:08,792 INFO L158 Benchmark]: Boogie Preprocessor took 48.13ms. Allocated memory is still 113.2MB. Free memory was 71.9MB in the beginning and 69.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:08,793 INFO L158 Benchmark]: RCFGBuilder took 388.91ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 82.9MB in the end (delta: -13.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:08,793 INFO L158 Benchmark]: Referee took 350.70ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 64.3MB in the end (delta: 18.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:08,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. 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 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. 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 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 71.3MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 113.2MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.69ms. Allocated memory is still 113.2MB. Free memory was 86.4MB in the beginning and 71.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.13ms. Allocated memory is still 113.2MB. Free memory was 71.9MB in the beginning and 69.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.91ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 82.9MB in the end (delta: -13.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Referee took 350.70ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 64.3MB in the end (delta: 18.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:49:08,821 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...