./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.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/loop-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.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 15:31:16,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:16,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:16,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:16,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:16,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:16,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:16,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:16,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:16,139 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:16,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:16,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:16,141 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:16,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:16,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:16,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:16,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:16,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:16,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:16,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:16,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:16,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:16,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:16,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:16,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:16,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:16,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:16,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:16,150 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:16,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:16,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:16,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:16,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:16,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:16,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:16,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:16,448 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:16,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-10-15 15:31:17,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:18,089 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:18,090 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-10-15 15:31:18,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3fb34ebfe/0f135566ce174b23b95bc14a46259eb6/FLAGd52b1b4ee [2024-10-15 15:31:18,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3fb34ebfe/0f135566ce174b23b95bc14a46259eb6 [2024-10-15 15:31:18,110 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:18,110 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:18,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-10-15 15:31:18,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:18,151 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:18,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:18,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:18,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:18,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:18" (1/2) ... [2024-10-15 15:31:18,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5380691f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:18, skipping insertion in model container [2024-10-15 15:31:18,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:18" (1/2) ... [2024-10-15 15:31:18,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dd29ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:18, skipping insertion in model container [2024-10-15 15:31:18,161 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 03:31:18" (2/2) ... [2024-10-15 15:31:18,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5380691f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:18, skipping insertion in model container [2024-10-15 15:31:18,162 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 03:31:18" (2/2) ... [2024-10-15 15:31:18,168 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:18,171 INFO L1541 ArrayList]: Location invariant before [L42-L42] ((main__x % 3) < 1) [2024-10-15 15:31:18,171 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((main__x % 3) < 1) [2024-10-15 15:31:18,171 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((main__x % 3) < 1) [2024-10-15 15:31:18,171 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (__return_main == \old(__return_main)) [2024-10-15 15:31:18,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:18,338 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-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2024-10-15 15:31:18,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:18,361 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-10-15 15:31:18,405 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-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] Start Parsing Local Start Parsing Local [2024-10-15 15:31:18,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:18,430 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:18,431 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:18 WrapperNode [2024-10-15 15:31:18,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:18,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:18,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:18,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:18,439 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,445 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,451 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:18,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:18,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:18,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:18,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:18,461 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,462 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,491 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,509 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:18,509 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,509 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,512 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,518 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,521 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,522 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:18,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:18,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:18,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:18,528 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 03:31:18" (1/1) ... [2024-10-15 15:31:18,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:18,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:18,554 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 15:31:18,562 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 15:31:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:18,679 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:18,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:18,905 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:18,986 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:18,986 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:31:18,987 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:18 BoogieIcfgContainer [2024-10-15 15:31:18,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:18,994 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:18,994 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:18,995 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:18,995 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:18" (1/4) ... [2024-10-15 15:31:18,996 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1276601b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:18, skipping insertion in model container [2024-10-15 15:31:18,996 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 03:31:18" (2/4) ... [2024-10-15 15:31:18,996 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1276601b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:18, skipping insertion in model container [2024-10-15 15:31:18,996 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 03:31:18" (3/4) ... [2024-10-15 15:31:18,996 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1276601b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:18, skipping insertion in model container [2024-10-15 15:31:18,996 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 03:31:18" (4/4) ... [2024-10-15 15:31:18,997 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-10-15 15:31:19,003 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:31:19,003 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-10-15 15:31:19,004 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 33 edges. [2024-10-15 15:31:19,004 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-10-15 15:31:19,004 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-10-15 15:31:19,010 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-10-15 15:31:19,010 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:19,086 INFO L309 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-10-15 15:31:19,087 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:19,087 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:19,088 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:19,089 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:19,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:19,201 INFO L101 BaseMinimizeStates]: Removed 62 edges and 16 locations by large block encoding [2024-10-15 15:31:19,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:19,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:19,204 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:19,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:19,221 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-10-15 15:31:19,233 INFO L309 BlockEncoder]: Initial Icfg 24 locations, 33 edges [2024-10-15 15:31:19,235 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:19,236 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:19,236 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:19,236 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:19,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:19,305 INFO L101 BaseMinimizeStates]: Removed 93 edges and 20 locations by large block encoding [2024-10-15 15:31:19,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:19,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:19,306 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:19,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:19,316 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:31:19,316 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-15 15:31:19,321 INFO L158 Benchmark]: Toolchain (without parser) took 1168.85ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 43.8MB in the end (delta: 21.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:19,322 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory is still 26.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:19,322 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 185.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:19,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.12ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 50.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:19,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.94ms. Allocated memory is still 100.7MB. Free memory was 50.3MB in the beginning and 49.5MB in the end (delta: 835.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:19,324 INFO L158 Benchmark]: Boogie Preprocessor took 73.60ms. Allocated memory is still 100.7MB. Free memory was 49.2MB in the beginning and 79.3MB in the end (delta: -30.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:19,324 INFO L158 Benchmark]: RCFGBuilder took 459.78ms. Allocated memory is still 100.7MB. Free memory was 79.3MB in the beginning and 65.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:19,325 INFO L158 Benchmark]: Referee took 325.54ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 43.8MB in the end (delta: 21.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:19,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory is still 26.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 185.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.12ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 50.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.94ms. Allocated memory is still 100.7MB. Free memory was 50.3MB in the beginning and 49.5MB in the end (delta: 835.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.60ms. Allocated memory is still 100.7MB. Free memory was 49.2MB in the beginning and 79.3MB in the end (delta: -30.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 459.78ms. Allocated memory is still 100.7MB. Free memory was 79.3MB in the beginning and 65.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 325.54ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 43.8MB in the end (delta: 21.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:31:19,351 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.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 --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 15:31:21,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:21,313 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:31:21,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:21,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:21,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:21,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:21,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:21,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:21,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:21,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:21,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:21,341 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:21,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:21,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:21,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:21,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:21,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:21,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:21,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:21,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:21,345 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:31:21,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:31:21,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:21,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:31:21,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:21,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:21,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:21,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:21,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:21,349 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:21,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:21,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:21,349 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:21,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:21,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:21,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:21,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:21,654 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:21,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-10-15 15:31:23,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:23,288 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:23,292 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-10-15 15:31:23,301 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/69685f7a3/381908977960433a864659022540ddbd/FLAG32e5de61e [2024-10-15 15:31:23,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/69685f7a3/381908977960433a864659022540ddbd [2024-10-15 15:31:23,327 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:23,328 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:23,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-10-15 15:31:23,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:23,378 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:23,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:23,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:23,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:23,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:23" (1/2) ... [2024-10-15 15:31:23,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5966d2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:23, skipping insertion in model container [2024-10-15 15:31:23,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:23" (1/2) ... [2024-10-15 15:31:23,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a98a7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:23, skipping insertion in model container [2024-10-15 15:31:23,389 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 03:31:23" (2/2) ... [2024-10-15 15:31:23,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5966d2a8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:23, skipping insertion in model container [2024-10-15 15:31:23,389 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 03:31:23" (2/2) ... [2024-10-15 15:31:23,398 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:23,399 INFO L1541 ArrayList]: Location invariant before [L36-L112] ((main__x % 3) < 1) [2024-10-15 15:31:23,401 INFO L1541 ArrayList]: Location invariant before [L42-L42] ((main__x % 3) < 1) [2024-10-15 15:31:23,401 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((main__x % 3) < 1) [2024-10-15 15:31:23,401 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (__return_main == \old(__return_main)) [2024-10-15 15:31:23,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:23,579 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-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2024-10-15 15:31:23,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:23,606 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-10-15 15:31:23,647 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-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] Start Parsing Local Start Parsing Local [2024-10-15 15:31:23,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:23,669 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:23,669 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:23 WrapperNode [2024-10-15 15:31:23,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:23,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:23,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:23,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:23,676 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,683 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,687 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:23,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:23,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:23,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:23,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:23,695 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,695 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,697 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,713 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:23,713 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,713 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,722 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,724 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,726 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,730 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:23,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:23,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:23,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:23,733 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 03:31:23" (1/1) ... [2024-10-15 15:31:23,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:23,759 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 15:31:23,761 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 15:31:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:31:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:23,850 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:23,851 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:24,025 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:24,049 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:24,049 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:31:24,050 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:24 BoogieIcfgContainer [2024-10-15 15:31:24,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:24,050 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:24,050 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:24,051 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:24,051 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:23" (1/4) ... [2024-10-15 15:31:24,052 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@679c6f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:24, skipping insertion in model container [2024-10-15 15:31:24,052 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 03:31:23" (2/4) ... [2024-10-15 15:31:24,052 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@679c6f78 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:24, skipping insertion in model container [2024-10-15 15:31:24,054 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 03:31:23" (3/4) ... [2024-10-15 15:31:24,054 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@679c6f78 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:24, skipping insertion in model container [2024-10-15 15:31:24,054 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 03:31:24" (4/4) ... [2024-10-15 15:31:24,055 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-10-15 15:31:24,059 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:31:24,060 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-10-15 15:31:24,060 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 33 edges. [2024-10-15 15:31:24,060 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-10-15 15:31:24,061 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-10-15 15:31:24,061 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-10-15 15:31:24,061 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:24,098 INFO L309 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-10-15 15:31:24,099 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:24,099 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:24,100 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:24,100 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:24,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:24,202 INFO L101 BaseMinimizeStates]: Removed 62 edges and 16 locations by large block encoding [2024-10-15 15:31:24,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:24,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:24,204 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:24,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:24,227 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-10-15 15:31:24,241 INFO L309 BlockEncoder]: Initial Icfg 24 locations, 33 edges [2024-10-15 15:31:24,244 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:24,245 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:24,245 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:24,245 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:24,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:24,334 INFO L101 BaseMinimizeStates]: Removed 93 edges and 20 locations by large block encoding [2024-10-15 15:31:24,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:24,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:24,338 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:24,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:24,353 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:31:24,355 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-15 15:31:24,359 INFO L158 Benchmark]: Toolchain (without parser) took 980.18ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 49.4MB in the beginning and 59.9MB in the end (delta: -10.4MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,359 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:24,360 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:24,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.22ms. Allocated memory is still 71.3MB. Free memory was 49.2MB in the beginning and 33.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.82ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 32.9MB in the end (delta: 879.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:24,363 INFO L158 Benchmark]: Boogie Preprocessor took 43.02ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 32.7MB in the beginning and 76.0MB in the end (delta: -43.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,364 INFO L158 Benchmark]: RCFGBuilder took 317.91ms. Allocated memory is still 96.5MB. Free memory was 76.0MB in the beginning and 60.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,365 INFO L158 Benchmark]: Referee took 307.70ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.22ms. Allocated memory is still 71.3MB. Free memory was 49.2MB in the beginning and 33.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.82ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 32.9MB in the end (delta: 879.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.02ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 32.7MB in the beginning and 76.0MB in the end (delta: -43.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * RCFGBuilder took 317.91ms. Allocated memory is still 96.5MB. Free memory was 76.0MB in the beginning and 60.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 307.70ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 1.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:31:24,392 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: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug