./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_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-ca4ee3d-m [2024-09-20 20:10:29,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:30,040 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:30,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:30,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:30,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:30,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:30,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:30,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:30,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:30,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:30,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:30,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:30,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:30,084 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:30,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:30,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:30,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:30,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:30,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:30,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:30,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:30,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:30,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:30,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:30,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:30,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:30,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:30,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:30,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:30,094 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:30,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:30,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:30,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:30,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:30,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:30,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:30,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:30,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:30,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:30,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:30,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:30,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:30,097 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:30,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:30,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:30,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:30,416 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:30,416 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:30,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:10:30,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:30,487 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:30,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-20 20:10:31,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:32,040 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:32,041 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-20 20:10:32,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c6eeb3857/7d32c1d7c3b94e58a622a96988d8d093/FLAGeaf68dca1 [2024-09-20 20:10:32,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c6eeb3857/7d32c1d7c3b94e58a622a96988d8d093 [2024-09-20 20:10:32,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:32,065 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:32,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:32,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:32,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:32,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:30" (1/2) ... [2024-09-20 20:10:32,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2188ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:30" (1/2) ... [2024-09-20 20:10:32,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2587b1c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:32" (2/2) ... [2024-09-20 20:10:32,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2188ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:32" (2/2) ... [2024-09-20 20:10:32,089 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:32,092 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 20:10:32,093 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-20 20:10:32,095 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:32,096 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:10:32,096 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:32,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:32,269 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-20 20:10:32,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:32,300 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:32,349 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:32,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:32,384 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:32,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32 WrapperNode [2024-09-20 20:10:32,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:32,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:32,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:32,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:32,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,421 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:10:32,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:32,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:32,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:32,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:32,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (1/1) ... [2024-09-20 20:10:32,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:32,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:32,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:32,494 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:32,622 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:32,626 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:32,652 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:32,679 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:32,846 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:32,862 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:32,902 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:32,903 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:32,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:32 BoogieIcfgContainer [2024-09-20 20:10:32,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:32,904 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:32,904 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:32,905 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:32,907 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:30" (1/4) ... [2024-09-20 20:10:32,907 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273495a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,907 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:32" (2/4) ... [2024-09-20 20:10:32,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273495a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:32" (3/4) ... [2024-09-20 20:10:32,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273495a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:32, skipping insertion in model container [2024-09-20 20:10:32,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:32" (4/4) ... [2024-09-20 20:10:32,911 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-20 20:10:32,915 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:32,916 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:32,916 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:32,916 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:10:32,916 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:32,917 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:32,917 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:32,918 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:32,918 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:32,918 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:32,918 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:32,919 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:32,919 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:32,919 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:32,919 INFO L131 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location, 3 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 [2024-09-20 20:10:32,989 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:32,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:32,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:32,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:32,993 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:32,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,006 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:33,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,007 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:33,007 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:33,008 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:33,010 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:33,024 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:33,050 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:33,050 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:33,050 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:33,050 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:33,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:33,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,092 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:10:33,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:33,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:33,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:33,099 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,106 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:37,122 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:37,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,124 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:37,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,134 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:37,152 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:37,152 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,152 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,153 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,156 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:37,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,157 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,157 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,158 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,159 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:37,180 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:10:37,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,205 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:10:37,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,205 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,217 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:37,228 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:37,229 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,229 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,243 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:37,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,244 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,244 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,250 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:37,262 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:37,262 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,263 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,268 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:37,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,277 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:37,291 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:37,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,316 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:10:37,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,317 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,317 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,317 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,320 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:37,328 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:37,328 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,329 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,329 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,330 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:37,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,333 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:37,341 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:37,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,342 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,342 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,345 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:37,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,346 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,348 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:37,357 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:37,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,357 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,357 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,357 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,364 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:37,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,365 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,365 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,365 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,368 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:37,396 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:37,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,400 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:37,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,401 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,401 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,403 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:37,414 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:37,414 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,415 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,415 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,416 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:37,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,420 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:37,424 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:37,425 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273495a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:37, skipping insertion in model container [2024-09-20 20:10:37,425 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:37,427 INFO L158 Benchmark]: Toolchain (without parser) took 5361.36ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 126.4MB in the end (delta: 1.9MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:37,427 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:37,428 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:37,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.17ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 114.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:37,429 INFO L158 Benchmark]: Boogie Preprocessor took 57.41ms. Allocated memory is still 161.5MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:37,430 INFO L158 Benchmark]: RCFGBuilder took 460.07ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 96.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:10:37,431 INFO L158 Benchmark]: Referee took 4521.65ms. Allocated memory is still 161.5MB. Free memory was 96.8MB in the beginning and 126.4MB in the end (delta: -29.6MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:37,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. 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 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 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 loop head at line 36 to loop head at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.17ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 114.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.41ms. Allocated memory is still 161.5MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.07ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 96.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4521.65ms. Allocated memory is still 161.5MB. Free memory was 96.8MB in the beginning and 126.4MB in the end (delta: -29.6MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:37,493 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_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-ca4ee3d-m [2024-09-20 20:10:39,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:39,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:10:39,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:39,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:39,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:39,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:39,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:39,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:39,891 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:39,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:39,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:39,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:39,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:39,893 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:39,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:39,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:39,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:39,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:39,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:39,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:39,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:39,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:39,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:10:39,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:10:39,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:39,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:10:39,900 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:39,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:39,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:39,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:39,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:39,901 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:39,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:39,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:39,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:39,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:39,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:39,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:39,906 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:10:39,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:10:39,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:39,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:39,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:39,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:39,907 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:10:39,908 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:40,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:40,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:40,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:40,277 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:40,277 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:40,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:10:40,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:40,354 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:40,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-20 20:10:42,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:42,186 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:42,187 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-20 20:10:42,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9043c878e/4bbee745d383423cbb1b1c952e0389eb/FLAG1ec6fe770 [2024-09-20 20:10:42,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9043c878e/4bbee745d383423cbb1b1c952e0389eb [2024-09-20 20:10:42,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:42,584 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:42,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:42,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:42,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:42,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:40" (1/2) ... [2024-09-20 20:10:42,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7c6815 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:40" (1/2) ... [2024-09-20 20:10:42,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@636659fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:42" (2/2) ... [2024-09-20 20:10:42,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7c6815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:42" (2/2) ... [2024-09-20 20:10:42,609 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:42,610 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-20 20:10:42,610 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 20:10:42,610 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:42,610 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:42,610 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:10:42,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:42,807 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-20 20:10:42,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:42,873 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:42,918 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:42,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:42,954 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:42,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42 WrapperNode [2024-09-20 20:10:42,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:42,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:42,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:42,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:42,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:42,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:42,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:42,992 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:10:42,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:42,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:43,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:43,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:43,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:43,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:43,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:43,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:43,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:43,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:43,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (1/1) ... [2024-09-20 20:10:43,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:43,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:43,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:43,050 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:10:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:10:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:10:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:43,189 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:43,191 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:43,220 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:43,249 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:43,419 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:43,435 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:43,466 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:43,466 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:43,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:43 BoogieIcfgContainer [2024-09-20 20:10:43,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:43,467 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:43,469 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:43,470 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:43,470 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:40" (1/4) ... [2024-09-20 20:10:43,470 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46e2c64a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:43, skipping insertion in model container [2024-09-20 20:10:43,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:42" (2/4) ... [2024-09-20 20:10:43,471 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46e2c64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:43, skipping insertion in model container [2024-09-20 20:10:43,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:42" (3/4) ... [2024-09-20 20:10:43,471 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46e2c64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:43, skipping insertion in model container [2024-09-20 20:10:43,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:43" (4/4) ... [2024-09-20 20:10:43,475 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-20 20:10:43,478 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:43,479 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:43,480 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:43,480 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:10:43,480 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:43,480 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:43,480 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:43,480 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:43,481 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:43,481 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:43,481 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:43,481 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:43,481 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:43,482 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:43,482 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-20 20:10:43,539 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:43,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,541 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,542 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,560 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:43,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,567 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,585 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:43,631 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:43,631 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,632 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,632 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,632 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,666 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:10:43,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,667 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,667 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,667 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,679 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:43,698 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:43,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,699 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:43,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,700 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,700 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,704 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:43,727 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:43,727 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,732 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:43,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,732 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,732 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,732 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,732 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,735 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:43,754 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:10:43,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,792 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:10:43,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,794 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,807 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:43,822 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:43,822 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,822 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,823 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,823 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,832 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:43,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,836 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,865 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:43,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,875 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,881 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:43,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,882 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,885 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:43,896 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:43,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,917 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:10:43,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,917 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,918 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,920 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:43,930 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:43,930 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,930 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,930 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,930 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,932 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:43,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,932 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,934 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:43,946 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:43,946 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,946 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,950 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:43,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,953 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:43,963 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:43,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,976 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:43,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,977 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:43,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:43,984 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:43,994 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:43,994 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:43,994 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:43,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:43,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:43,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,997 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:43,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:43,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:43,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:43,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:44,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:44,001 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:44,010 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:44,010 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:44,011 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:44,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:44,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:44,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:44,012 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:44,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:44,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:44,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:44,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:44,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:44,014 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:44,024 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 20:10:44,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46e2c64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:44, skipping insertion in model container [2024-09-20 20:10:44,025 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:44,026 INFO L158 Benchmark]: Toolchain (without parser) took 1441.47ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 35.4MB in the end (delta: 17.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:44,027 INFO L158 Benchmark]: Witness Parser took 0.44ms. Allocated memory is still 58.7MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:44,027 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:44,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.10ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 60.4MB in the end (delta: -7.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:44,030 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 58.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:44,031 INFO L158 Benchmark]: RCFGBuilder took 453.25ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 43.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:44,031 INFO L158 Benchmark]: Referee took 557.97ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 35.4MB in the end (delta: 7.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:44,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure 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 check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.44ms. Allocated memory is still 58.7MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.10ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 60.4MB in the end (delta: -7.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 58.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.25ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 43.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 557.97ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 35.4MB in the end (delta: 7.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 20:10:44,065 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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