./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.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-6908dde-m [2024-09-25 00:28:39,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:40,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:40,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:40,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:40,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:40,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:40,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:40,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:40,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:40,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:40,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:40,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:40,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:40,101 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:40,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:40,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:40,104 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:40,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:40,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:40,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:40,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:40,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:40,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:40,106 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:40,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:40,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:40,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:40,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:40,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:40,107 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:40,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:40,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:40,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:40,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:40,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:40,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:40,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:40,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:40,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:40,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:40,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:40,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:40,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:40,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:40,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:40,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:40,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:40,411 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:40,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 00:28:41,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:42,029 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:42,030 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 00:28:42,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ee3a74098/e792e3a66a4f47e39f6c4d29a9045de4/FLAG6f04dabc0 [2024-09-25 00:28:42,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ee3a74098/e792e3a66a4f47e39f6c4d29a9045de4 [2024-09-25 00:28:42,059 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:42,060 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:42,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-25 00:28:42,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:42,111 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:42,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:42,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:42,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:42,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:42" (1/2) ... [2024-09-25 00:28:42,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd169e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:42" (1/2) ... [2024-09-25 00:28:42,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2503d3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:42" (2/2) ... [2024-09-25 00:28:42,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd169e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:42" (2/2) ... [2024-09-25 00:28:42,130 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:42,131 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 00:28:42,132 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 00:28:42,132 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:42,132 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures ((1 <= counter) && (1 <= cond)) [2024-09-25 00:28:42,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:42,274 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_unwindbound1.i[951,964] [2024-09-25 00:28:42,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:42,311 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:28:42,345 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_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:42,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:42,461 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:42,461 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:42 WrapperNode [2024-09-25 00:28:42,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:42,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:42,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:42,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:42,499 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,499 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,515 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,532 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:28:42,532 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,532 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,541 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,547 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,551 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,552 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:42,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:42,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:42,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:42,560 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 25.09 12:28:42" (1/1) ... [2024-09-25 00:28:42,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:42,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:42,602 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) [2024-09-25 00:28:42,606 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 [2024-09-25 00:28:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:42,771 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:42,774 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:42,833 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:42,950 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:42,960 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:42,985 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:42,985 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:42,985 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:42 BoogieIcfgContainer [2024-09-25 00:28:42,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:42,986 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:42,986 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:42,987 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:42,991 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:42" (1/4) ... [2024-09-25 00:28:42,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fc908b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,992 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:42" (2/4) ... [2024-09-25 00:28:42,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fc908b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,992 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 25.09 12:28:42" (3/4) ... [2024-09-25 00:28:42,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fc908b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,992 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:42" (4/4) ... [2024-09-25 00:28:42,993 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-25 00:28:42,997 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:42,998 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:28:42,999 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:42,999 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 00:28:42,999 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:43,000 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:43,000 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:43,000 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:43,001 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:43,001 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:28:43,001 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:43,002 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-25 00:28:43,069 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:28:43,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,129 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:28:43,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,148 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:43,172 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:43,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,173 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,178 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:43,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,179 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,179 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,182 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:43,191 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:43,192 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,192 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,192 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,192 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,194 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:43,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,199 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:43,209 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:43,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,215 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:43,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,215 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,216 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,216 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,216 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,218 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:43,227 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:43,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,229 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:43,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,229 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,230 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:43,239 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:43,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,242 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:43,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,242 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,242 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,242 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,249 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:43,264 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:43,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,266 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:43,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,266 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,268 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:43,276 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:43,276 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,276 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,284 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:43,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,284 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,286 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,289 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:43,296 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:28:43,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,297 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,311 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:28:43,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,323 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:43,334 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:28:43,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,349 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:28:43,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,349 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,352 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:47,356 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:47,361 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:47,361 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fc908b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:47, skipping insertion in model container [2024-09-25 00:28:47,361 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:47,363 INFO L158 Benchmark]: Toolchain (without parser) took 5251.44ms. Allocated memory is still 169.9MB. Free memory was 98.0MB in the beginning and 71.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-09-25 00:28:47,363 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:47,363 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:47,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.85ms. Allocated memory is still 169.9MB. Free memory was 97.8MB in the beginning and 139.7MB in the end (delta: -41.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:28:47,364 INFO L158 Benchmark]: Boogie Preprocessor took 87.91ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 138.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:47,364 INFO L158 Benchmark]: RCFGBuilder took 427.01ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 122.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:47,365 INFO L158 Benchmark]: Referee took 4375.18ms. Allocated memory is still 169.9MB. Free memory was 122.9MB in the beginning and 71.4MB in the end (delta: 51.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-25 00:28:47,366 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 38. 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 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 loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 exit of procedure main. 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 __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 0.19ms. Allocated memory is still 169.9MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.85ms. Allocated memory is still 169.9MB. Free memory was 97.8MB in the beginning and 139.7MB in the end (delta: -41.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.91ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 138.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 427.01ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 122.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4375.18ms. Allocated memory is still 169.9MB. Free memory was 122.9MB in the beginning and 71.4MB in the end (delta: 51.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:47,383 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/11.0.12-open/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_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.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-6908dde-m [2024-09-25 00:28:49,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:49,675 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:28:49,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:49,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:49,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:49,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:49,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:49,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:49,707 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:49,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:49,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:49,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:49,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:49,712 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:49,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:49,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:49,712 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:49,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:49,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:49,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:49,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:49,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:49,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:28:49,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:28:49,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:49,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:28:49,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:49,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:49,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:49,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:49,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:49,716 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:49,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:49,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:49,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:49,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:49,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:49,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:49,718 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:28:49,718 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:28:49,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:49,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:49,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:49,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:49,723 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:28:49,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:50,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:50,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:50,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:50,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:50,133 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:50,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 00:28:51,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:52,090 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:52,092 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 00:28:52,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c2a282909/8a2a838416ff4714a51ece2dabd5a4e3/FLAG9a77f3520 [2024-09-25 00:28:52,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c2a282909/8a2a838416ff4714a51ece2dabd5a4e3 [2024-09-25 00:28:52,124 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:52,125 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:52,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-25 00:28:52,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:52,172 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:52,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:52,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:52,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:52,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:52" (1/2) ... [2024-09-25 00:28:52,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b379da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:52, skipping insertion in model container [2024-09-25 00:28:52,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:52" (1/2) ... [2024-09-25 00:28:52,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39ba3062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:52, skipping insertion in model container [2024-09-25 00:28:52,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:52" (2/2) ... [2024-09-25 00:28:52,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b379da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:52, skipping insertion in model container [2024-09-25 00:28:52,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:52" (2/2) ... [2024-09-25 00:28:52,190 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:52,191 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 00:28:52,191 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 00:28:52,191 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:52,191 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures ((1 <= counter) && (1 <= cond)) [2024-09-25 00:28:52,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:52,344 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_unwindbound1.i[951,964] [2024-09-25 00:28:52,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:52,368 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:28:52,400 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_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:52,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:52,428 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:52,428 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:52 WrapperNode [2024-09-25 00:28:52,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:52,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:52,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:52,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:52,440 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,441 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,448 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,460 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:28:52,460 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,460 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,466 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,472 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,473 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,475 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:52,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:52,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:52,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:52,478 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 25.09 12:28:52" (1/1) ... [2024-09-25 00:28:52,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:52,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:52,508 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) [2024-09-25 00:28:52,511 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 [2024-09-25 00:28:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:28:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:28:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:28:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:52,635 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:52,637 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:52,678 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:52,857 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:52,872 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:52,914 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:52,917 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:52,918 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:52 BoogieIcfgContainer [2024-09-25 00:28:52,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:52,919 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:52,919 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:52,920 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:52,920 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:52" (1/4) ... [2024-09-25 00:28:52,920 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d619dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:52, skipping insertion in model container [2024-09-25 00:28:52,920 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:52" (2/4) ... [2024-09-25 00:28:52,921 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d619dfa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:52, skipping insertion in model container [2024-09-25 00:28:52,921 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 25.09 12:28:52" (3/4) ... [2024-09-25 00:28:52,921 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d619dfa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:52, skipping insertion in model container [2024-09-25 00:28:52,921 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:52" (4/4) ... [2024-09-25 00:28:52,923 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-25 00:28:52,927 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:52,928 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:28:52,928 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:52,928 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 00:28:52,929 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:52,929 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:52,929 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:52,930 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:52,930 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:52,930 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:28:52,930 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:52,931 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 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 [2024-09-25 00:28:52,987 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:28:52,989 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:52,989 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:52,990 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:52,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:52,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,047 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:28:53,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,067 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:53,089 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:53,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,104 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:53,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,113 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:53,135 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:53,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,135 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,135 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,140 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:53,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,140 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,150 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:53,168 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:53,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,204 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:53,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,205 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,210 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:53,222 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:53,222 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,223 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,223 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,223 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,224 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:53,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,225 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,226 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,226 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,228 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:53,238 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:53,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,241 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:53,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,242 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,242 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,242 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,245 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:53,253 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:53,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,255 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:53,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,256 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,258 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:53,268 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:53,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,269 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,279 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:53,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,282 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,303 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:28:53,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,318 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:28:53,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,319 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,319 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,319 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,323 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,336 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:53,347 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:28:53,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,357 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:28:53,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,383 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:28:53,383 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d619dfa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:53, skipping insertion in model container [2024-09-25 00:28:53,384 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:53,386 INFO L158 Benchmark]: Toolchain (without parser) took 1212.90ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 64.1MB in the beginning and 92.8MB in the end (delta: -28.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,386 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:53,386 INFO L158 Benchmark]: Witness Parser took 0.55ms. Allocated memory is still 90.2MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:53,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.44ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 49.6MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,387 INFO L158 Benchmark]: Boogie Preprocessor took 46.82ms. Allocated memory is still 90.2MB. Free memory was 49.6MB in the beginning and 47.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,388 INFO L158 Benchmark]: RCFGBuilder took 441.01ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 57.6MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,388 INFO L158 Benchmark]: Referee took 464.95ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 57.6MB in the beginning and 92.8MB in the end (delta: -35.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, counter=-2147483648, q=0, r=0. Annotation is not valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. One counterexample starts in \old(counter)=0, A=0, b=0, B=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, B=0, b=0, counter=-2147483648, q=0, r=0. 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 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 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 entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.55ms. Allocated memory is still 90.2MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.44ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 49.6MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.82ms. Allocated memory is still 90.2MB. Free memory was 49.6MB in the beginning and 47.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 441.01ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 57.6MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 464.95ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 57.6MB in the beginning and 92.8MB in the end (delta: -35.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:28:53,424 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE