./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.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-fb1cb0b-m [2024-09-25 11:45:44,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:44,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:45:44,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:44,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:44,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:44,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:44,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:44,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:44,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:44,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:44,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:44,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:44,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:44,643 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:44,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:44,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:44,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:44,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:45:44,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:44,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:44,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:44,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:44,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:44,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:44,649 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:44,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:44,649 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:44,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:44,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:44,650 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:44,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:44,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:44,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:44,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:44,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:44,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:44,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:45:44,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:45:44,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:44,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:44,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:44,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:44,658 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:44,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:44,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:44,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:44,954 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:44,955 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:44,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.yml/witness-2.1.yml [2024-09-25 11:45:45,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:45,021 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:45,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2024-09-25 11:45:46,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:46,654 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:46,655 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2024-09-25 11:45:46,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ebfcdaa39/dbf000754fcd4874a74ef5eb3b1bca48/FLAGf62600d17 [2024-09-25 11:45:46,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ebfcdaa39/dbf000754fcd4874a74ef5eb3b1bca48 [2024-09-25 11:45:46,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:46,682 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:46,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:46,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:46,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:46,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:45" (1/2) ... [2024-09-25 11:45:46,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b29c2a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:46, skipping insertion in model container [2024-09-25 11:45:46,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:45" (1/2) ... [2024-09-25 11:45:46,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60b9c186 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:46, skipping insertion in model container [2024-09-25 11:45:46,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:46" (2/2) ... [2024-09-25 11:45:46,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b29c2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46, skipping insertion in model container [2024-09-25 11:45:46,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:46" (2/2) ... [2024-09-25 11:45:46,705 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:46,706 INFO L1541 ArrayList]: Loop invariant at [L48-L72] ((t <= tagbuf_len) && (0 <= t)) [2024-09-25 11:45:46,706 INFO L1541 ArrayList]: Loop invariant at [L32-L44] ((t <= tagbuf_len) && (0 <= t)) [2024-09-25 11:45:46,707 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-09-25 11:45:46,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:46,877 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/loop-invgen/apache-get-tag.i[893,906] [2024-09-25 11:45:46,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:46,903 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:45:46,934 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/loop-invgen/apache-get-tag.i[893,906] Start Parsing Local Start Parsing Local [2024-09-25 11:45:46,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:46,964 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:46,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46 WrapperNode [2024-09-25 11:45:46,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:46,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:46,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:46,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:46,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:46,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:46,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,002 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:45:47,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:47,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:47,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:47,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:47,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (1/1) ... [2024-09-25 11:45:47,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:47,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:47,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:45:47,059 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:45:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:45:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:45:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:45:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:45:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:47,175 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:47,179 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:47,411 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:45:47,430 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:47,466 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:47,466 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:45:47,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:47 BoogieIcfgContainer [2024-09-25 11:45:47,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:47,467 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:47,468 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:47,468 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:47,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:45" (1/4) ... [2024-09-25 11:45:47,470 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44050316 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:47, skipping insertion in model container [2024-09-25 11:45:47,470 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:46" (2/4) ... [2024-09-25 11:45:47,470 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44050316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:47, skipping insertion in model container [2024-09-25 11:45:47,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46" (3/4) ... [2024-09-25 11:45:47,471 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44050316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:47, skipping insertion in model container [2024-09-25 11:45:47,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:47" (4/4) ... [2024-09-25 11:45:47,472 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i [2024-09-25 11:45:47,477 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:45:47,477 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr13REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr17REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:45:47,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr14REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr16REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:45:47,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr15REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 11:45:47,480 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr12REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:45:47,480 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:45:47,480 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:45:47,480 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:45:47,480 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:45:47,480 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 16 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:45:47,537 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 11:45:47,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,539 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,559 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 11:45:47,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,562 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,579 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:47,599 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:45:47,599 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,599 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,599 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,606 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:45:47,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,608 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,608 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,608 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,608 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,615 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:47,635 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 11 edges [2024-09-25 11:45:47,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,658 INFO L101 BaseMinimizeStates]: Removed 20 edges and 10 locations by large block encoding [2024-09-25 11:45:47,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,659 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,662 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr13REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,676 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:45:47,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,683 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:45:47,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,690 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,701 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:45:47,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,706 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,707 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:45:47,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,707 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,712 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,723 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:45:47,723 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,734 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-25 11:45:47,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,737 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,739 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:47,752 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-25 11:45:47,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,798 INFO L101 BaseMinimizeStates]: Removed 36 edges and 13 locations by large block encoding [2024-09-25 11:45:47,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,807 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:47,838 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 11:45:47,838 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,838 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,853 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-25 11:45:47,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,861 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr17REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,879 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:45:47,879 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,880 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,880 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,889 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:45:47,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,901 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,905 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,924 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:45:47,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,927 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:45:47,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,933 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,944 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:45:47,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,945 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,948 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:45:47,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,952 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,964 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-25 11:45:47,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,978 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-25 11:45:47,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:47,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:47,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:47,982 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:47,987 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr14REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:47,995 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:45:47,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:47,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:47,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:47,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:47,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:47,999 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:45:47,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,002 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,009 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:45:48,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,017 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:45:48,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,017 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,018 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,018 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,021 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr16REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,030 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:45:48,030 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,030 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,031 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,036 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:45:48,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,040 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,051 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:45:48,053 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,063 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-25 11:45:48,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,063 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,063 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,066 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,076 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 11:45:48,077 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,077 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,077 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,095 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-25 11:45:48,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,102 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,106 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr15REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,114 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:45:48,114 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,114 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,115 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,115 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,128 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:45:48,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,128 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,128 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,128 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,133 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr12REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,141 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:45:48,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,144 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:45:48,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,144 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,146 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:45:48,154 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:45:48,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,154 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,154 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,155 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,161 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:45:48,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,161 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,161 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,161 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,164 INFO L520 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,171 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:45:48,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,175 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:45:48,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,175 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,175 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,175 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,177 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:45:48,184 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:45:48,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:48,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:48,185 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:48,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:48,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,187 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:45:48,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:48,188 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:48,188 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:48,188 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:48,189 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:48,191 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:45:48,195 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:45:48,196 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44050316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:45:48, skipping insertion in model container [2024-09-25 11:45:48,196 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:45:48,198 INFO L158 Benchmark]: Toolchain (without parser) took 1515.28ms. Allocated memory is still 159.4MB. Free memory was 130.4MB in the beginning and 63.2MB in the end (delta: 67.2MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-25 11:45:48,198 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:48,198 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 159.4MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:48,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.05ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 115.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:45:48,199 INFO L158 Benchmark]: Boogie Preprocessor took 52.83ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:48,200 INFO L158 Benchmark]: RCFGBuilder took 447.92ms. Allocated memory is still 159.4MB. Free memory was 113.8MB in the beginning and 97.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:45:48,200 INFO L158 Benchmark]: Referee took 728.55ms. Allocated memory is still 159.4MB. Free memory was 97.8MB in the beginning and 63.2MB in the end (delta: 34.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-25 11:45:48,203 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 60. 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 19. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 73. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 60. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 56. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 69. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 56. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 41. 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 32 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 50. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.81ms. Allocated memory is still 159.4MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.05ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 115.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.83ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.92ms. Allocated memory is still 159.4MB. Free memory was 113.8MB in the beginning and 97.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 728.55ms. Allocated memory is still 159.4MB. Free memory was 97.8MB in the beginning and 63.2MB in the end (delta: 34.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:45:48,234 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE