This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:28,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:28,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:28,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:28,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:28,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:28,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:28,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:28,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:28,992 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:28,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:28,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:28,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:28,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:28,994 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:28,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:28,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:28,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:28,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:28,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:28,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:28,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:28,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:28,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:29,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:29,000 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:29,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:29,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:29,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:29,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:29,002 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:29,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:29,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:29,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:29,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:29,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:29,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:29,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:29,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:29,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:29,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:29,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:29,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:29,007 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:29,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:29,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:29,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:29,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:29,298 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:29,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 20:10:30,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:30,958 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:30,962 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 20:10:30,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd61bc51e/7a9b6dab37564613928b0f552f4cee2e/FLAG23afc00f2 [2024-09-20 20:10:31,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd61bc51e/7a9b6dab37564613928b0f552f4cee2e [2024-09-20 20:10:31,342 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:31,344 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:31,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-20 20:10:31,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:31,391 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:31,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:31,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:31,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:31,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:31" (1/2) ... [2024-09-20 20:10:31,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9ab72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:31" (1/2) ... [2024-09-20 20:10:31,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f33e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:31" (2/2) ... [2024-09-20 20:10:31,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9ab72a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:31" (2/2) ... [2024-09-20 20:10:31,419 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:31,419 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-20 20:10:31,420 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && (A <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) [2024-09-20 20:10:31,420 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:31,420 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:10:31,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:31,582 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/divbin2_valuebound1.i[951,964] [2024-09-20 20:10:31,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:31,605 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:31,656 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/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-20 20:10:31,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:31,696 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:31,696 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31 WrapperNode [2024-09-20 20:10:31,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:31,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:31,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:31,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:31,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,739 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:10:31,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:31,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:31,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:31,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:31,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (1/1) ... [2024-09-20 20:10:31,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:31,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:31,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:31,802 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:31,920 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:31,924 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:32,130 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:32,142 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:32,172 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:32,173 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:32,173 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:32 BoogieIcfgContainer [2024-09-20 20:10:32,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:32,174 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:32,174 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:32,175 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:32,176 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:31" (1/4) ... [2024-09-20 20:10:32,176 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a464f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,178 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:31" (2/4) ... [2024-09-20 20:10:32,178 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a464f50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,178 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:31" (3/4) ... [2024-09-20 20:10:32,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a464f50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,179 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:32" (4/4) ... [2024-09-20 20:10:32,180 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-20 20:10:32,183 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:32,183 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:32,183 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:32,184 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:32,184 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:32,184 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:32,184 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:32,184 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 20:10:32,184 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:32,184 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:32,185 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:10:32,243 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:32,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:32,245 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:32,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:32,247 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:32,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:32,258 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:32,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:32,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:32,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:32,260 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:32,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:32,278 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:32,302 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:32,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:32,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:32,302 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:32,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:32,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:32,313 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:32,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:32,314 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:32,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:32,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:32,314 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,320 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:36,350 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:36,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,351 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,361 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:36,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,362 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,386 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:36,402 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:36,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,407 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:36,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,414 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:36,428 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:36,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,429 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,431 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:36,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,437 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:36,450 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:36,450 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,450 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,452 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:36,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,452 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,453 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,453 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,455 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:36,468 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-20 20:10:36,468 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,468 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,480 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-20 20:10:36,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,481 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,485 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,488 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:36,501 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:10:36,501 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,502 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,502 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,502 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,532 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:10:36,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,533 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,533 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,534 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,555 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:36,567 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:36,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:36,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:36,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:36,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:36,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,596 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:36,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:36,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:36,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:36,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:36,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:36,603 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:36,611 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:36,611 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a464f50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:36, skipping insertion in model container [2024-09-20 20:10:36,611 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:36,617 INFO L158 Benchmark]: Toolchain (without parser) took 5221.11ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 86.5MB in the beginning and 163.6MB in the end (delta: -77.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-09-20 20:10:36,618 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:36,618 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:36,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.87ms. Allocated memory is still 163.6MB. Free memory was 86.3MB in the beginning and 135.2MB in the end (delta: -48.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-09-20 20:10:36,619 INFO L158 Benchmark]: Boogie Preprocessor took 66.70ms. Allocated memory is still 163.6MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:36,619 INFO L158 Benchmark]: RCFGBuilder took 408.73ms. Allocated memory is still 163.6MB. Free memory was 133.1MB in the beginning and 117.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:36,620 INFO L158 Benchmark]: Referee took 4437.47ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 117.6MB in the beginning and 163.6MB in the end (delta: -46.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:36,626 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 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from 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 loop head at line 34. 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 0.21ms. Allocated memory is still 163.6MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.87ms. Allocated memory is still 163.6MB. Free memory was 86.3MB in the beginning and 135.2MB in the end (delta: -48.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.70ms. Allocated memory is still 163.6MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.73ms. Allocated memory is still 163.6MB. Free memory was 133.1MB in the beginning and 117.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4437.47ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 117.6MB in the beginning and 163.6MB in the end (delta: -46.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:36,679 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:38,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:38,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:10:38,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:38,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:38,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:38,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:38,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:38,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:38,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:38,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:38,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:38,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:38,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:38,949 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:38,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:38,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:38,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:38,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:38,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:38,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:38,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:38,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:38,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:10:38,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:10:38,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:38,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:10:38,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:38,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:38,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:38,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:38,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:38,955 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:38,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:38,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:38,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:38,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:38,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:38,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:38,958 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:10:38,958 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:10:38,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:38,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:38,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:38,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:38,959 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:10:38,959 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:39,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:39,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:39,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:39,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:39,295 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:39,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 20:10:40,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:41,070 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:41,070 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 20:10:41,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e73443d2b/5a25a09ec10442b793ded3b8cbf19db5/FLAGd6adae359 [2024-09-20 20:10:41,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e73443d2b/5a25a09ec10442b793ded3b8cbf19db5 [2024-09-20 20:10:41,092 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:41,093 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:41,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-20 20:10:41,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:41,152 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:41,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:41,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:41,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:41,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:41" (1/2) ... [2024-09-20 20:10:41,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a42e646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:41, skipping insertion in model container [2024-09-20 20:10:41,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:41" (1/2) ... [2024-09-20 20:10:41,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a03b17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:41, skipping insertion in model container [2024-09-20 20:10:41,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:41" (2/2) ... [2024-09-20 20:10:41,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a42e646 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41, skipping insertion in model container [2024-09-20 20:10:41,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:41" (2/2) ... [2024-09-20 20:10:41,179 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:41,181 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-20 20:10:41,182 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && (A <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) [2024-09-20 20:10:41,182 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:41,182 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:10:41,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:41,363 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/divbin2_valuebound1.i[951,964] [2024-09-20 20:10:41,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:41,392 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:41,433 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/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-20 20:10:41,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:41,470 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:41,470 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41 WrapperNode [2024-09-20 20:10:41,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:41,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:41,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:41,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:41,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,509 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:10:41,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:41,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:41,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:41,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:41,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (1/1) ... [2024-09-20 20:10:41,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:41,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:41,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:41,580 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:10:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:10:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:10:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:41,715 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:41,717 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:41,966 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:41,984 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:42,009 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:42,009 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:42,010 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:42 BoogieIcfgContainer [2024-09-20 20:10:42,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:42,010 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:42,011 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:42,014 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:42,014 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:41" (1/4) ... [2024-09-20 20:10:42,014 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dc69c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,016 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:41" (2/4) ... [2024-09-20 20:10:42,016 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dc69c8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,016 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:41" (3/4) ... [2024-09-20 20:10:42,017 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dc69c8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,017 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:42" (4/4) ... [2024-09-20 20:10:42,018 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-20 20:10:42,024 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:42,024 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:42,025 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:42,028 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:42,028 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:42,028 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:42,029 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:42,029 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 20:10:42,029 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:42,030 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:42,030 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:10:42,097 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:42,099 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,099 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,100 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,101 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,117 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:42,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,118 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,119 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,119 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,152 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:42,177 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:42,177 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,177 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,185 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:42,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,186 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,208 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:42,241 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:42,245 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,245 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,245 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,246 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,259 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:42,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,260 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,267 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:42,300 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:42,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,302 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,302 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,306 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:42,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,310 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:42,327 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:42,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,329 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,332 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:42,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,333 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,334 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,339 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:42,353 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:42,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,354 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,354 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,355 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:42,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,356 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,356 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,358 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:42,370 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-20 20:10:42,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,382 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-20 20:10:42,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,382 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,389 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:42,400 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:10:42,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,428 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:10:42,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,444 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:42,454 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:42,454 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,454 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,462 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:42,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,465 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:42,467 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:10:42,468 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dc69c8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,468 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:42,470 INFO L158 Benchmark]: Toolchain (without parser) took 1317.78ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 47.2MB in the beginning and 41.1MB in the end (delta: 6.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,471 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:42,471 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:42,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.16ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 32.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,472 INFO L158 Benchmark]: Boogie Preprocessor took 64.26ms. Allocated memory is still 69.2MB. Free memory was 32.8MB in the beginning and 30.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,472 INFO L158 Benchmark]: RCFGBuilder took 473.47ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 30.4MB in the beginning and 60.7MB in the end (delta: -30.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,473 INFO L158 Benchmark]: Referee took 457.57ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 41.1MB in the end (delta: 19.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.16ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 32.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.26ms. Allocated memory is still 69.2MB. Free memory was 32.8MB in the beginning and 30.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.47ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 30.4MB in the beginning and 60.7MB in the end (delta: -30.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 457.57ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 41.1MB in the end (delta: 19.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:10:42,509 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...