./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:16,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:16,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:40:16,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:16,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:16,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:16,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:16,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:16,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:16,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:16,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:16,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:16,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:16,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:16,717 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:16,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:16,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:16,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:16,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:40:16,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:16,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:16,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:16,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:16,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:16,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:16,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:16,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:16,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:16,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:16,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:16,727 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:16,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:16,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:16,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:16,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:16,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:16,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:16,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:40:16,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:40:16,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:16,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:16,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:16,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:16,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:16,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:17,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:17,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:17,007 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:17,007 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:17,008 INFO L431 ainManager$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 [2024-09-17 19:40:17,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:17,082 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:17,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-17 19:40:18,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:18,701 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:18,702 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-17 19:40:18,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f9c486312/74e8aaa6ddba42299e6d176a70f3719d/FLAG8a2dcbb26 [2024-09-17 19:40:18,720 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f9c486312/74e8aaa6ddba42299e6d176a70f3719d [2024-09-17 19:40:18,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:18,723 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:18,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:18,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:18,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:18,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (1/2) ... [2024-09-17 19:40:18,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7793acfc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (1/2) ... [2024-09-17 19:40:18,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@774711b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:18" (2/2) ... [2024-09-17 19:40:18,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7793acfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:18" (2/2) ... [2024-09-17 19:40:18,747 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:18,748 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))) [2024-09-17 19:40:18,748 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 == (r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-17 19:40:18,748 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:18,748 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-17 19:40:18,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:18,926 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] [2024-09-17 19:40:18,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:18,950 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:18,984 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 [2024-09-17 19:40:19,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:19,019 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:19,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19 WrapperNode [2024-09-17 19:40:19,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:19,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:19,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:19,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:19,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,063 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 [2024-09-17 19:40:19,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:19,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:19,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:19,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:19,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:19,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:19,131 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) [2024-09-17 19:40:19,135 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 [2024-09-17 19:40:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:40:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:40:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:40:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:40:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:40:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:19,264 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:19,269 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:19,496 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:19,508 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:19,528 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:19,528 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:19,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:19 BoogieIcfgContainer [2024-09-17 19:40:19,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:19,529 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:19,530 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:19,530 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:19,531 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (1/4) ... [2024-09-17 19:40:19,531 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36357724 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:19, skipping insertion in model container [2024-09-17 19:40:19,531 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:18" (2/4) ... [2024-09-17 19:40:19,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36357724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:19, skipping insertion in model container [2024-09-17 19:40:19,532 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (3/4) ... [2024-09-17 19:40:19,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36357724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:19, skipping insertion in model container [2024-09-17 19:40:19,532 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:19" (4/4) ... [2024-09-17 19:40:19,534 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-17 19:40:19,537 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:19,538 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:19,538 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:19,538 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:19,539 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:19,539 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:19,539 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:19,539 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-17 19:40:19,540 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:19,540 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:40:19,540 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-17 19:40:19,591 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:19,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:19,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:19,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:19,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:19,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,604 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:19,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:19,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:19,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:19,609 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:19,628 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:19,650 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:19,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:19,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:19,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:19,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:19,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,660 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:19,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:19,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:19,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:19,661 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,665 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:23,696 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:23,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,709 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:23,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,715 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,735 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:23,736 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,736 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,736 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,736 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,744 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:23,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,746 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,752 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,766 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:23,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,770 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:23,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,773 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:23,801 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:23,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,804 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:23,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,808 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:23,839 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-17 19:40:23,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,856 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-17 19:40:23,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,857 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,857 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,857 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,867 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,881 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-17 19:40:23,882 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,882 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,925 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-17 19:40:23,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,948 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,964 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:23,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,966 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,982 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:23,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,986 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,989 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:23,992 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:40:23,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36357724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:23, skipping insertion in model container [2024-09-17 19:40:23,993 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:23,996 INFO L158 Benchmark]: Toolchain (without parser) took 5271.87ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 100.2MB in the beginning and 149.4MB in the end (delta: -49.2MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:23,996 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:23,996 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:23,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.04ms. Allocated memory is still 157.3MB. Free memory was 100.2MB in the beginning and 86.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:23,997 INFO L158 Benchmark]: Boogie Preprocessor took 70.02ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:23,998 INFO L158 Benchmark]: RCFGBuilder took 436.94ms. Allocated memory is still 157.3MB. Free memory was 84.0MB in the beginning and 68.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:23,999 INFO L158 Benchmark]: Referee took 4463.36ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 68.7MB in the beginning and 149.4MB in the end (delta: -80.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-09-17 19:40:24,001 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 entry of procedure main to loop head at line 34. 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 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 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 __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: * Witness Parser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.04ms. Allocated memory is still 157.3MB. Free memory was 100.2MB in the beginning and 86.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.02ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.94ms. Allocated memory is still 157.3MB. Free memory was 84.0MB in the beginning and 68.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4463.36ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 68.7MB in the beginning and 149.4MB in the end (delta: -80.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:40:24,022 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:26,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:26,235 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:40:26,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:26,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:26,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:26,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:26,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:26,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:26,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:26,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:26,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:26,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:26,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:26,284 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:26,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:26,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:26,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:26,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:26,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:26,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:26,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:26,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:26,287 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:40:26,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:40:26,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:26,288 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:40:26,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:26,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:26,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:26,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:26,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:26,291 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:26,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:26,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:26,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:26,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:26,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:26,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:26,292 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:40:26,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:40:26,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:26,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:26,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:26,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:26,295 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:40:26,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:26,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:26,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:26,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:26,630 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:26,630 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:26,633 INFO L431 ainManager$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 [2024-09-17 19:40:26,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:26,682 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:26,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-17 19:40:28,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:28,434 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:28,434 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-17 19:40:28,441 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/516e204b8/9cf7cb93b08b459a9c50a99957db7b8f/FLAGf84493128 [2024-09-17 19:40:28,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/516e204b8/9cf7cb93b08b459a9c50a99957db7b8f [2024-09-17 19:40:28,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:28,457 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:28,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:28,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:28,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:28,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:26" (1/2) ... [2024-09-17 19:40:28,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e22786d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:28, skipping insertion in model container [2024-09-17 19:40:28,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:26" (1/2) ... [2024-09-17 19:40:28,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3055e736 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:28, skipping insertion in model container [2024-09-17 19:40:28,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:28" (2/2) ... [2024-09-17 19:40:28,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e22786d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28, skipping insertion in model container [2024-09-17 19:40:28,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:28" (2/2) ... [2024-09-17 19:40:28,485 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:28,486 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 == (r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-17 19:40:28,486 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))) [2024-09-17 19:40:28,486 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-17 19:40:28,487 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:28,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:28,674 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] [2024-09-17 19:40:28,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:28,701 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:28,743 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 [2024-09-17 19:40:28,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:28,786 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:28,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28 WrapperNode [2024-09-17 19:40:28,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:28,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:28,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:28,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:28,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,823 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 [2024-09-17 19:40:28,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:28,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:28,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:28,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:28,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (1/1) ... [2024-09-17 19:40:28,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:28,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:28,882 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) [2024-09-17 19:40:28,889 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 [2024-09-17 19:40:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:40:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:40:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-17 19:40:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-17 19:40:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-17 19:40:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:29,006 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:29,008 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:29,239 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:29,264 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:29,291 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:29,293 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:29,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:29 BoogieIcfgContainer [2024-09-17 19:40:29,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:29,294 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:29,295 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:29,295 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:29,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:26" (1/4) ... [2024-09-17 19:40:29,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@796aa4a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:28" (2/4) ... [2024-09-17 19:40:29,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@796aa4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:28" (3/4) ... [2024-09-17 19:40:29,297 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@796aa4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,297 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:29" (4/4) ... [2024-09-17 19:40:29,299 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-17 19:40:29,303 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:29,304 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:29,304 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:29,304 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:29,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:29,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:29,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:29,305 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-17 19:40:29,306 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:29,306 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:40:29,306 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, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-17 19:40:29,362 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:29,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,363 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,364 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,374 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:29,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,401 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:29,420 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:29,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,435 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:29,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,444 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,462 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:29,486 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:29,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,500 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:29,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,502 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,503 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,503 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,503 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,513 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:29,536 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:29,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,541 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:29,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,547 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:29,562 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:29,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,566 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,566 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,569 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:29,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,571 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,571 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,575 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:29,592 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:29,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,593 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:29,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,596 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,598 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:29,615 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-17 19:40:29,616 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,617 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,625 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-17 19:40:29,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,628 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,633 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:29,648 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-17 19:40:29,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,678 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-17 19:40:29,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,679 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,703 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:29,722 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:29,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:29,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:29,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:29,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:29,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,735 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:29,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:29,736 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:29,736 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:29,736 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:29,737 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:29,738 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:29,741 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:40:29,742 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@796aa4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,742 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:29,744 INFO L158 Benchmark]: Toolchain (without parser) took 1285.73ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 53.5MB in the end (delta: -6.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-09-17 19:40:29,745 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:29,746 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:29,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.67ms. Allocated memory is still 79.7MB. Free memory was 46.5MB in the beginning and 52.4MB in the end (delta: -5.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:29,746 INFO L158 Benchmark]: Boogie Preprocessor took 58.82ms. Allocated memory is still 79.7MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:29,747 INFO L158 Benchmark]: RCFGBuilder took 445.07ms. Allocated memory is still 79.7MB. Free memory was 50.0MB in the beginning and 35.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:29,748 INFO L158 Benchmark]: Referee took 447.47ms. Allocated memory is still 79.7MB. Free memory was 35.3MB in the beginning and 53.5MB in the end (delta: -18.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-09-17 19:40:29,750 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 38 to check that procedure precondition always holds at line 39. 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 34 to loop head at line 34. 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 entry of procedure main to loop head at line 34. 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 __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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.67ms. Allocated memory is still 79.7MB. Free memory was 46.5MB in the beginning and 52.4MB in the end (delta: -5.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.82ms. Allocated memory is still 79.7MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.07ms. Allocated memory is still 79.7MB. Free memory was 50.0MB in the beginning and 35.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 447.47ms. Allocated memory is still 79.7MB. Free memory was 35.3MB in the beginning and 53.5MB in the end (delta: -18.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:40:29,785 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE