./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.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-invariants/bin-suffix-5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.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 11:46:32,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:32,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:32,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:32,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:32,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:32,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:32,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:32,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:32,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:32,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:32,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:32,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:32,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:32,359 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:32,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:32,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:32,360 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:32,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:32,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:32,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:32,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:32,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:32,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:32,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:32,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:32,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:32,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:32,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:32,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:32,370 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:32,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:32,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:32,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:32,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:32,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:32,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:32,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:32,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:32,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:32,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:32,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:32,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:32,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:32,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:32,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:32,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:32,790 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:32,791 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:32,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.yml/witness-2.1.yml [2024-09-25 11:46:32,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:32,871 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:32,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-25 11:46:34,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:34,393 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:34,394 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-25 11:46:34,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6a8eecee9/4ee53ffb5a464418ba3d9d0ea7a12e38/FLAG3dd1f8206 [2024-09-25 11:46:34,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6a8eecee9/4ee53ffb5a464418ba3d9d0ea7a12e38 [2024-09-25 11:46:34,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:34,835 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:34,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:34,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:34,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:34,850 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 11:46:32" (1/2) ... [2024-09-25 11:46:34,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce00fbb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:34, skipping insertion in model container [2024-09-25 11:46:34,850 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 11:46:32" (1/2) ... [2024-09-25 11:46:34,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27614880 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:34, skipping insertion in model container [2024-09-25 11:46:34,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:34" (2/2) ... [2024-09-25 11:46:34,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce00fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34, skipping insertion in model container [2024-09-25 11:46:34,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:34" (2/2) ... [2024-09-25 11:46:34,866 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:34,874 INFO L1541 ArrayList]: Loop invariant at [L20-L22] (5 == (5 & x)) [2024-09-25 11:46:34,875 INFO L1541 ArrayList]: Function contract at [L12]: requires (0 != cond), ensures (0 != cond) [2024-09-25 11:46:34,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:35,040 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-invariants/bin-suffix-5.c[588,601] [2024-09-25 11:46:35,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:35,055 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:46:35,093 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-invariants/bin-suffix-5.c[588,601] Start Parsing Local [2024-09-25 11:46:35,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:35,109 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:35,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35 WrapperNode [2024-09-25 11:46:35,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:35,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:35,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:35,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:35,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,132 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 11:46:35,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:35,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:35,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:35,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:35,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (1/1) ... [2024-09-25 11:46:35,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:35,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:35,171 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 11:46:35,172 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 11:46:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:46:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:46:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:35,273 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:35,277 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:35,394 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:46:35,407 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:35,423 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:35,423 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:46:35,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:35 BoogieIcfgContainer [2024-09-25 11:46:35,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:35,424 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:35,424 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:35,425 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:35,425 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 11:46:32" (1/4) ... [2024-09-25 11:46:35,426 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15ac99cc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,426 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:34" (2/4) ... [2024-09-25 11:46:35,426 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15ac99cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,426 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:35" (3/4) ... [2024-09-25 11:46:35,426 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15ac99cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,426 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:35" (4/4) ... [2024-09-25 11:46:35,427 INFO L79 RefereeObserver]: Analyzing ICFG bin-suffix-5.c [2024-09-25 11:46:35,430 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:46:35,431 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-15 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:46:35,431 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:46:35,431 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 11:46:35,431 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-15 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:46:35,431 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 11:46:35,432 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 11:46:35,472 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2024-09-25 11:46:35,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,498 INFO L101 BaseMinimizeStates]: Removed 19 edges and 5 locations by large block encoding [2024-09-25 11:46:35,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,499 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,532 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:46:35,532 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,532 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,542 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:46:35,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,543 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,543 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,546 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,552 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:35,562 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:35,562 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,562 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,562 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,565 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:35,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,567 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,568 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:35,578 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:46:35,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,596 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:46:35,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,596 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,611 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:35,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,613 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:35,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,614 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,614 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,614 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,615 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:46:35,618 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:46:35,618 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15ac99cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,618 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:46:35,620 INFO L158 Benchmark]: Toolchain (without parser) took 783.78ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 92.4MB in the beginning and 136.3MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:35,620 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:35,621 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 167.8MB. Free memory was 138.5MB in the beginning and 138.3MB in the end (delta: 139.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:35,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.89ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 92.3MB in the beginning and 172.0MB in the end (delta: -79.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,621 INFO L158 Benchmark]: Boogie Preprocessor took 28.24ms. Allocated memory is still 203.4MB. Free memory was 172.0MB in the beginning and 169.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,622 INFO L158 Benchmark]: RCFGBuilder took 284.46ms. Allocated memory is still 203.4MB. Free memory was 169.9MB in the beginning and 157.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,622 INFO L158 Benchmark]: Referee took 194.20ms. Allocated memory is still 203.4MB. Free memory was 157.3MB in the beginning and 136.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,624 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 20 to check that procedure precondition always holds at line 23. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 20 to check that invariant of correctness witness holds at line 20. 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 14. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 167.8MB. Free memory was 138.5MB in the beginning and 138.3MB in the end (delta: 139.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.89ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 92.3MB in the beginning and 172.0MB in the end (delta: -79.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.24ms. Allocated memory is still 203.4MB. Free memory was 172.0MB in the beginning and 169.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.46ms. Allocated memory is still 203.4MB. Free memory was 169.9MB in the beginning and 157.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 194.20ms. Allocated memory is still 203.4MB. Free memory was 157.3MB in the beginning and 136.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:46:35,645 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invariants/bin-suffix-5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.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-fb1cb0b-m [2024-09-25 11:46:37,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:37,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:46:37,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:37,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:37,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:37,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:37,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:37,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:37,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:38,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:38,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:38,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:38,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:38,004 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:38,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:38,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:38,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:38,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:38,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:38,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:38,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:38,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:38,010 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:46:38,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:46:38,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:38,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:46:38,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:38,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:38,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:38,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:38,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:38,013 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:38,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:38,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:38,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:38,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:38,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:38,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:38,016 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:46:38,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:46:38,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:38,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:38,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:38,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:38,019 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:46:38,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:38,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:38,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:38,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:38,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:38,389 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:38,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-25 11:46:39,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:40,019 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:40,019 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-25 11:46:40,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1bf645862/47c5e60f2dc34b028f973c60553d5f7b/FLAG3073f49df [2024-09-25 11:46:40,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1bf645862/47c5e60f2dc34b028f973c60553d5f7b [2024-09-25 11:46:40,044 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:40,044 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:40,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.yml/witness-2.1.yml [2024-09-25 11:46:40,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:40,086 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:40,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:40,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:40,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:40,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:40" (1/2) ... [2024-09-25 11:46:40,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464e036d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:40, skipping insertion in model container [2024-09-25 11:46:40,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:40" (1/2) ... [2024-09-25 11:46:40,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f98b295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:40, skipping insertion in model container [2024-09-25 11:46:40,096 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 11:46:40" (2/2) ... [2024-09-25 11:46:40,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464e036d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40, skipping insertion in model container [2024-09-25 11:46:40,096 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 11:46:40" (2/2) ... [2024-09-25 11:46:40,102 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:40,103 INFO L1541 ArrayList]: Loop invariant at [L20-L22] (5 == (5 & x)) [2024-09-25 11:46:40,103 INFO L1541 ArrayList]: Function contract at [L12]: requires (0 != cond), ensures (0 != cond) [2024-09-25 11:46:40,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:40,244 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-invariants/bin-suffix-5.c[588,601] [2024-09-25 11:46:40,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:40,267 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:46:40,295 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-invariants/bin-suffix-5.c[588,601] Start Parsing Local [2024-09-25 11:46:40,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:40,311 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:40,311 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40 WrapperNode [2024-09-25 11:46:40,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:40,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:40,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:40,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:40,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,335 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 11:46:40,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:40,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:40,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:40,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:40,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (1/1) ... [2024-09-25 11:46:40,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:40,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:40,380 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 11:46:40,384 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 11:46:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:46:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:46:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:46:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:46:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:46:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:40,474 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:40,477 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:40,542 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:46:40,552 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:40,575 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:40,575 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:46:40,575 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:40 BoogieIcfgContainer [2024-09-25 11:46:40,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:40,576 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:40,576 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:40,577 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:40,577 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:40" (1/4) ... [2024-09-25 11:46:40,577 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd76e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:40, skipping insertion in model container [2024-09-25 11:46:40,577 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 11:46:40" (2/4) ... [2024-09-25 11:46:40,577 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd76e8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:40, skipping insertion in model container [2024-09-25 11:46:40,578 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:40" (3/4) ... [2024-09-25 11:46:40,578 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd76e8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:40, skipping insertion in model container [2024-09-25 11:46:40,578 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:40" (4/4) ... [2024-09-25 11:46:40,579 INFO L79 RefereeObserver]: Analyzing ICFG bin-suffix-5.c [2024-09-25 11:46:40,581 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:46:40,582 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:46:40,582 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:46:40,582 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:46:40,582 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 11:46:40,582 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 11:46:40,583 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:46:40,613 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:46:40,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:40,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:40,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:40,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:40,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,625 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:46:40,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:40,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:40,627 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:40,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:40,637 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:40,644 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:46:40,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:40,652 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:40,652 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:40,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:40,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,654 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:46:40,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:40,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:40,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:40,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:40,658 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:40,665 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:40,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:40,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:40,665 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:40,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:40,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,670 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:40,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,670 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:40,670 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:40,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:40,673 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:40,674 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:46:40,680 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:40,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:40,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:40,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:40,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:40,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,684 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:40,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:40,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:40,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:40,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:40,686 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:40,692 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:40,692 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:40,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:40,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:40,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:40,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,694 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:40,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:40,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:40,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:40,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:40,695 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:40,696 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:46:40,698 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:46:40,698 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fd76e8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:46:40, skipping insertion in model container [2024-09-25 11:46:40,699 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:46:40,700 INFO L158 Benchmark]: Toolchain (without parser) took 613.65ms. Allocated memory was 81.8MB in the beginning and 130.0MB in the end (delta: 48.2MB). Free memory was 42.5MB in the beginning and 100.5MB in the end (delta: -58.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-09-25 11:46:40,700 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 50.7MB in the end (delta: 144.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:40,701 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:40,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.36ms. Allocated memory is still 81.8MB. Free memory was 42.3MB in the beginning and 54.5MB in the end (delta: -12.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:40,701 INFO L158 Benchmark]: Boogie Preprocessor took 36.12ms. Allocated memory is still 81.8MB. Free memory was 54.5MB in the beginning and 52.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:40,702 INFO L158 Benchmark]: RCFGBuilder took 227.16ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 41.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:46:40,702 INFO L158 Benchmark]: Referee took 122.78ms. Allocated memory was 81.8MB in the beginning and 130.0MB in the end (delta: 48.2MB). Free memory was 41.0MB in the beginning and 100.5MB in the end (delta: -59.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:46:40,704 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 20 to loop head at line 20. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 20. 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 14. Annotation is valid for all loop-free paths from loop head at line 20 to check that procedure precondition always holds at line 20. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 50.7MB in the end (delta: 144.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.36ms. Allocated memory is still 81.8MB. Free memory was 42.3MB in the beginning and 54.5MB in the end (delta: -12.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.12ms. Allocated memory is still 81.8MB. Free memory was 54.5MB in the beginning and 52.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 227.16ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 41.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 122.78ms. Allocated memory was 81.8MB in the beginning and 130.0MB in the end (delta: 48.2MB). Free memory was 41.0MB in the beginning and 100.5MB in the end (delta: -59.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:46:40,725 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 Result: TRUE