./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/prod4br-ll.c --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e378df2c Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/prod4br-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll.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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:52,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:52,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:52,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:52,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:52,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:52,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:52,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:52,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:52,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:52,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:52,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:52,654 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:52,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:52,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:52,656 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:52,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:52,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:52,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:52,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:52,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:52,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:52,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:52,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:52,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:52,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:52,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:52,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:52,664 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:52,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:52,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:52,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:52,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:53,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:53,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:53,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:53,023 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:53,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-10-15 15:31:54,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:54,911 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:54,912 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-10-15 15:31:54,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/342f361b1/e4eb576a031d480b81bcf7305264c529/FLAG707c3f724 [2024-10-15 15:31:55,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/342f361b1/e4eb576a031d480b81bcf7305264c529 [2024-10-15 15:31:55,288 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:55,289 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:55,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll.yml/witness-2.1.yml [2024-10-15 15:31:55,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:55,344 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:55,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:55,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:55,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:55,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:55" (1/2) ... [2024-10-15 15:31:55,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aac210d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:55, skipping insertion in model container [2024-10-15 15:31:55,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:55" (1/2) ... [2024-10-15 15:31:55,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b72bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:55, skipping insertion in model container [2024-10-15 15:31:55,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:55" (2/2) ... [2024-10-15 15:31:55,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aac210d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:55, skipping insertion in model container [2024-10-15 15:31:55,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:55" (2/2) ... [2024-10-15 15:31:55,367 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:55,367 INFO L1541 ArrayList]: Loop invariant at [L32-L53] (((q + (((__int128) b * a) * p)) == ((long long) y * x)) && (1 <= y)) [2024-10-15 15:31:55,369 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:31:55,370 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:31:55,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:55,576 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/prod4br-ll.c[524,537] [2024-10-15 15:31:55,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:55,609 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:31:55,649 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/prod4br-ll.c[524,537] Start Parsing Local [2024-10-15 15:31:55,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:55,679 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:55,680 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:55 WrapperNode [2024-10-15 15:31:55,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:55,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:55,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:55,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:55,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,702 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:55,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:55,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:55,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:55,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:55,713 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,713 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,719 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,730 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:55,734 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,735 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,740 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,744 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,748 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,749 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:55,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:55,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:55,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:55,756 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 15.10 03:31:55" (1/1) ... [2024-10-15 15:31:55,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:55,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:55,788 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) [2024-10-15 15:31:55,791 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 [2024-10-15 15:31:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:31:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:31:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:55,905 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:55,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:56,110 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:56,128 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:56,165 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:56,165 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:56,166 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:56 BoogieIcfgContainer [2024-10-15 15:31:56,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:56,166 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:56,167 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:56,168 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:56,168 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:55" (1/4) ... [2024-10-15 15:31:56,170 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f6bc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:56, skipping insertion in model container [2024-10-15 15:31:56,170 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:55" (2/4) ... [2024-10-15 15:31:56,170 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f6bc32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:56, skipping insertion in model container [2024-10-15 15:31:56,170 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 15.10 03:31:55" (3/4) ... [2024-10-15 15:31:56,171 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f6bc32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:56, skipping insertion in model container [2024-10-15 15:31:56,171 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:56" (4/4) ... [2024-10-15 15:31:56,173 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll.c [2024-10-15 15:31:56,176 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:56,177 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:56,177 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:31:56,178 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:56,178 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:31:56,178 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-10-15 15:31:56,178 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:56,179 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:56,179 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:31:56,179 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:56,245 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:56,246 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,246 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,247 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,248 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,262 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:56,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,267 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,268 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,274 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,292 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:56,309 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:31:56,309 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,309 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,309 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,310 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,319 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:31:56,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,319 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,319 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,319 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,322 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,325 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:56,339 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:56,339 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,339 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,339 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,339 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,342 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:56,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,343 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,343 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,346 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:56,367 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:31:56,368 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,368 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,368 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,368 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,376 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:31:56,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,377 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,377 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,384 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:56,399 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-10-15 15:31:56,399 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,399 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,399 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,399 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,434 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-10-15 15:31:56,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,436 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,449 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,469 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:56,488 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:56,489 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,489 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,489 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,489 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,494 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:56,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,495 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,495 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,495 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,500 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:56,517 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:56,519 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,519 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,519 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,519 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,520 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:56,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,521 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,521 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,527 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:56,539 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:31:56,539 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:56,540 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:56,540 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:56,540 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:56,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,546 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:31:56,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:56,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:56,547 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:56,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:56,549 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:56,551 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:56,554 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:56,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f6bc32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:56, skipping insertion in model container [2024-10-15 15:31:56,554 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:56,556 INFO L158 Benchmark]: Toolchain (without parser) took 1210.69ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 44.4MB in the end (delta: -2.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-10-15 15:31:56,556 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 54.5MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:56,557 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 75.5MB. Free memory was 43.7MB in the beginning and 43.5MB in the end (delta: 173.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:56,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.24ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 46.6MB in the end (delta: -5.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-10-15 15:31:56,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.86ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 45.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:56,558 INFO L158 Benchmark]: Boogie Preprocessor took 50.89ms. Allocated memory is still 75.5MB. Free memory was 45.5MB in the beginning and 43.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:56,559 INFO L158 Benchmark]: RCFGBuilder took 411.07ms. Allocated memory is still 75.5MB. Free memory was 43.8MB in the beginning and 30.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:56,559 INFO L158 Benchmark]: Referee took 387.79ms. Allocated memory is still 75.5MB. Free memory was 30.2MB in the beginning and 44.9MB in the end (delta: -14.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:56,562 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 32 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 32. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 55. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 54.5MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 75.5MB. Free memory was 43.7MB in the beginning and 43.5MB in the end (delta: 173.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.24ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 46.6MB in the end (delta: -5.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.86ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 45.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.89ms. Allocated memory is still 75.5MB. Free memory was 45.5MB in the beginning and 43.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.07ms. Allocated memory is still 75.5MB. Free memory was 43.8MB in the beginning and 30.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 387.79ms. Allocated memory is still 75.5MB. Free memory was 30.2MB in the beginning and 44.9MB in the end (delta: -14.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:56,590 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