./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:33,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:33,096 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:33,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:33,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:33,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:33,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:33,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:33,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:33,154 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:33,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:33,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:33,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:33,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:33,173 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:33,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:33,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:33,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:33,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:33,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:33,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:33,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:33,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:33,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:33,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:33,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:33,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:33,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:33,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:33,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:33,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:33,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:33,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:33,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:33,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:33,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:33,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:33,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:33,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:33,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:33,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:33,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:33,183 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:33,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:33,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:33,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:33,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:33,425 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:33,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2024-09-11 20:51:34,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:35,030 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:35,031 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2024-09-11 20:51:35,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2d800d3db/40967c6e0a5d40c8b210f33e11f0d8fa/FLAGfcb495443 [2024-09-11 20:51:35,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2d800d3db/40967c6e0a5d40c8b210f33e11f0d8fa [2024-09-11 20:51:35,438 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:35,440 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:35,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound2.yml/witness-2.1.yml [2024-09-11 20:51:35,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:35,483 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:35,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:35,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:35,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:35,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (1/2) ... [2024-09-11 20:51:35,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70036306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (1/2) ... [2024-09-11 20:51:35,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@192bac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:35" (2/2) ... [2024-09-11 20:51:35,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70036306 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:35" (2/2) ... [2024-09-11 20:51:35,498 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:35,499 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (x1 == ((((long long) x2 * y1) + y2) + y3)) [2024-09-11 20:51:35,499 INFO L1541 ArrayList]: Function contract at [L15]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:35,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:35,644 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] [2024-09-11 20:51:35,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:35,666 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:35,694 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] Start Parsing Local [2024-09-11 20:51:35,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:35,717 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:35,717 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35 WrapperNode [2024-09-11 20:51:35,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:35,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:35,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:35,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:35,730 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,730 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,736 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,745 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:35,746 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,746 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,749 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,753 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,753 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,754 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:35,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:35,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:35,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:35,757 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 11.09 08:51:35" (1/1) ... [2024-09-11 20:51:35,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:35,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:35,790 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:35,886 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:35,889 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:35,985 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:36,022 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:36,022 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:36,040 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:36,040 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:36,040 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36 BoogieIcfgContainer [2024-09-11 20:51:36,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:36,041 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:36,041 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:36,042 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:36,042 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:35" (1/4) ... [2024-09-11 20:51:36,042 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a50557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,043 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:35" (2/4) ... [2024-09-11 20:51:36,043 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a50557 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,043 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 11.09 08:51:35" (3/4) ... [2024-09-11 20:51:36,043 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a50557 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,044 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36" (4/4) ... [2024-09-11 20:51:36,045 INFO L79 RefereeObserver]: Analyzing ICFG mannadiv_valuebound2.c [2024-09-11 20:51:36,048 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:36,049 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,049 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:51:36,049 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,050 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,050 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:36,050 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,050 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:36,090 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:36,090 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,091 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,091 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,092 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,116 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:36,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,137 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:36,156 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:51:36,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,156 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,165 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:51:36,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,165 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,165 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,165 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,169 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:36,177 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:36,177 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,177 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,184 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:36,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,188 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:36,195 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:36,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,195 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,195 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,197 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:36,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,199 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:36,206 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:36,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,210 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:36,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,210 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,211 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,220 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:36,228 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:36,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,234 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:36,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,234 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,235 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,236 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:36,239 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:36,239 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a50557 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,239 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:36,240 INFO L158 Benchmark]: Toolchain (without parser) took 757.11ms. Allocated memory is still 247.5MB. Free memory was 174.4MB in the beginning and 125.4MB in the end (delta: 49.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,241 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:36,241 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 247.5MB. Free memory is still 176.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:36,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.04ms. Allocated memory is still 247.5MB. Free memory was 174.4MB in the beginning and 161.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,242 INFO L158 Benchmark]: Boogie Preprocessor took 37.15ms. Allocated memory is still 247.5MB. Free memory was 161.0MB in the beginning and 159.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,242 INFO L158 Benchmark]: RCFGBuilder took 284.37ms. Allocated memory is still 247.5MB. Free memory was 158.8MB in the beginning and 144.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,243 INFO L158 Benchmark]: Referee took 198.29ms. Allocated memory is still 247.5MB. Free memory was 144.7MB in the beginning and 125.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,245 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 35 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. 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 17. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 247.5MB. Free memory is still 176.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.04ms. Allocated memory is still 247.5MB. Free memory was 174.4MB in the beginning and 161.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.15ms. Allocated memory is still 247.5MB. Free memory was 161.0MB in the beginning and 159.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.37ms. Allocated memory is still 247.5MB. Free memory was 158.8MB in the beginning and 144.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 198.29ms. Allocated memory is still 247.5MB. Free memory was 144.7MB in the beginning and 125.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:36,267 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:38,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:38,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:38,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:38,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:38,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:38,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:38,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:38,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:38,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:38,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:38,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:38,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:38,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:38,415 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:38,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:38,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:38,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:38,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:38,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:38,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:38,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:38,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:38,418 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:38,418 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:38,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:38,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:38,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:38,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:38,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:38,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:38,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:38,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:38,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:38,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:38,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:38,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:38,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:38,421 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:38,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:38,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:38,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:38,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:38,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:38,426 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:38,426 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:38,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:38,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:38,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:38,722 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:38,726 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:38,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound2.yml/witness-2.1.yml [2024-09-11 20:51:38,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:38,768 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:38,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2024-09-11 20:51:40,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:40,335 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:40,335 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2024-09-11 20:51:40,343 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/49dc1d4f0/ef1e4abd47fc4361bf1a3b975db88d1c/FLAG98372d4b6 [2024-09-11 20:51:40,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/49dc1d4f0/ef1e4abd47fc4361bf1a3b975db88d1c [2024-09-11 20:51:40,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:40,377 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:40,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:40,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:40,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:40,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:38" (1/2) ... [2024-09-11 20:51:40,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e30fe4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:40, skipping insertion in model container [2024-09-11 20:51:40,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:38" (1/2) ... [2024-09-11 20:51:40,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1638a0ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:40, skipping insertion in model container [2024-09-11 20:51:40,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:40" (2/2) ... [2024-09-11 20:51:40,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e30fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40, skipping insertion in model container [2024-09-11 20:51:40,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:40" (2/2) ... [2024-09-11 20:51:40,396 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:40,398 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (x1 == ((((long long) x2 * y1) + y2) + y3)) [2024-09-11 20:51:40,398 INFO L1541 ArrayList]: Function contract at [L15]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:40,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:40,533 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] [2024-09-11 20:51:40,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:40,554 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:40,580 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] Start Parsing Local [2024-09-11 20:51:40,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:40,601 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:40,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40 WrapperNode [2024-09-11 20:51:40,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:40,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:40,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:40,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:40,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,627 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:40,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:40,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:40,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:40,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:40,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (1/1) ... [2024-09-11 20:51:40,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:40,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:40,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:40,670 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:40,769 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:40,771 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:41,462 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:41,501 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:41,502 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:41,528 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:41,528 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:41,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:41 BoogieIcfgContainer [2024-09-11 20:51:41,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:41,529 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:41,529 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:41,530 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:41,530 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:38" (1/4) ... [2024-09-11 20:51:41,530 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@728a6973 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:41, skipping insertion in model container [2024-09-11 20:51:41,530 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:40" (2/4) ... [2024-09-11 20:51:41,530 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@728a6973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:41, skipping insertion in model container [2024-09-11 20:51:41,530 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:40" (3/4) ... [2024-09-11 20:51:41,531 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@728a6973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:41, skipping insertion in model container [2024-09-11 20:51:41,531 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:41" (4/4) ... [2024-09-11 20:51:41,536 INFO L79 RefereeObserver]: Analyzing ICFG mannadiv_valuebound2.c [2024-09-11 20:51:41,541 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:41,543 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:41,543 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:51:41,543 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:41,544 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:41,544 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:41,544 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:41,544 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:51:41,588 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:41,589 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:41,589 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:41,590 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:41,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:41,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,650 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:41,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:41,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:41,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:41,664 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:45,707 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:51:45,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:45,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:45,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:45,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:45,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:45,722 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:51:45,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:45,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:45,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:45,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:45,723 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:45,727 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:45,736 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:45,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:45,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:45,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:45,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:45,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:45,745 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:45,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:45,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:45,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:45,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:45,748 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:45,750 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:45,763 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:45,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:45,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:45,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:45,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:45,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:45,775 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:45,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:45,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:45,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:45,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:45,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:49,798 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:49,816 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:49,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:49,819 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:49,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:49,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:49,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:49,822 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:49,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:49,825 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:49,825 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:49,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:49,825 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:49,831 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:49,841 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:49,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:49,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:49,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:49,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:49,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:49,844 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:49,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:49,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:49,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:49,844 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:49,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:49,846 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:49,851 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:51:49,852 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@728a6973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:49, skipping insertion in model container [2024-09-11 20:51:49,852 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:49,854 INFO L158 Benchmark]: Toolchain (without parser) took 9475.84ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 55.8MB in the beginning and 78.4MB in the end (delta: -22.6MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:49,855 INFO L158 Benchmark]: Witness Parser took 0.92ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:49,855 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:49,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.87ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 41.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:49,856 INFO L158 Benchmark]: Boogie Preprocessor took 40.78ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 39.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:49,856 INFO L158 Benchmark]: RCFGBuilder took 884.67ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 39.6MB in the beginning and 77.1MB in the end (delta: -37.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:51:49,857 INFO L158 Benchmark]: Referee took 8323.49ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 78.4MB in the end (delta: -1.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:49,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 35 to loop head at line 35. One counterexample starts in x1=1, x2=-2147483646, y1=2, y2=2147483647, y3=2147483646 and ends in . Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. 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 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.92ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.87ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 41.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.78ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 39.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 884.67ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 39.6MB in the beginning and 77.1MB in the end (delta: -37.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8323.49ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 78.4MB in the end (delta: -1.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:49,898 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE