./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:27,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:27,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:27,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:27,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:27,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:27,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:27,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:27,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:27,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:27,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:27,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:27,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:27,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:27,887 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:27,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:27,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:27,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:27,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:27,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:27,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:27,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:27,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:27,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:27,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:27,893 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:27,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:27,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:27,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:27,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:27,894 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:27,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:27,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:27,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:27,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:27,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:27,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:27,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:27,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:27,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:27,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:27,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:27,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:27,901 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:28,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:28,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:28,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:28,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:28,154 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:28,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-25 11:48:29,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:29,784 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:29,785 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-25 11:48:29,792 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/148d9d946/dea2d4aabc9c4c9291e025c03dd793b7/FLAG662ae1fbc [2024-09-25 11:48:29,806 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/148d9d946/dea2d4aabc9c4c9291e025c03dd793b7 [2024-09-25 11:48:29,809 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:29,810 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:29,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-25 11:48:29,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:29,859 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:29,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:29,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:29,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:29,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:29,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506a3fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:29, skipping insertion in model container [2024-09-25 11:48:29,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:29,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@181a3ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:29, skipping insertion in model container [2024-09-25 11:48:29,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (2/2) ... [2024-09-25 11:48:29,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506a3fe1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:29, skipping insertion in model container [2024-09-25 11:48:29,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (2/2) ... [2024-09-25 11:48:29,880 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:29,881 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 11:48:29,881 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:29,882 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:29,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:30,071 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-09-25 11:48:30,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:30,121 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:30,163 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] Start Parsing Local [2024-09-25 11:48:30,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:30,201 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:30,202 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30 WrapperNode [2024-09-25 11:48:30,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:30,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:30,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:30,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:30,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,238 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,259 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:30,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:30,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:30,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:30,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:30,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:30,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:30,318 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:30,449 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:30,455 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:30,775 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:30,798 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:30,823 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:30,823 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:30,824 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:30 BoogieIcfgContainer [2024-09-25 11:48:30,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:30,825 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:30,825 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:30,826 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:30,826 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:29" (1/4) ... [2024-09-25 11:48:30,827 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73005b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,827 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (2/4) ... [2024-09-25 11:48:30,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73005b12 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30" (3/4) ... [2024-09-25 11:48:30,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73005b12 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:30" (4/4) ... [2024-09-25 11:48:30,831 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-25 11:48:30,836 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:30,837 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:30,837 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:30,837 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:30,837 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:30,838 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:30,838 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:30,838 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:30,839 INFO L131 InvariantChecker]: Will check 3 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 [2024-09-25 11:48:30,910 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:30,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,912 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,928 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:30,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,931 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,959 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:30,987 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:30,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,987 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,010 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:31,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,011 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:31,011 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:31,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:31,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:31,019 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:31,036 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:31,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:31,037 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:31,037 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:31,037 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:31,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,044 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:31,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,045 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:31,046 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:31,046 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:31,046 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,052 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:35,078 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:35,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,082 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:35,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,083 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,083 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,083 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,090 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:35,101 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:35,102 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,106 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:35,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,106 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,109 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:35,126 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:35,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,140 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:35,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,144 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:35,168 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:35,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,215 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:35,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,215 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,216 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,216 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,224 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:39,229 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:39,237 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:39,238 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73005b12 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:39, skipping insertion in model container [2024-09-25 11:48:39,238 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:39,239 INFO L158 Benchmark]: Toolchain (without parser) took 9379.65ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 111.1MB in the beginning and 193.4MB in the end (delta: -82.3MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,240 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 130.1MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:39,240 INFO L158 Benchmark]: Witness Parser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:39,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.45ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 97.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,241 INFO L158 Benchmark]: Boogie Preprocessor took 74.32ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,242 INFO L158 Benchmark]: RCFGBuilder took 546.29ms. Allocated memory is still 167.8MB. Free memory was 95.1MB in the beginning and 77.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,243 INFO L158 Benchmark]: Referee took 8412.98ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 77.5MB in the beginning and 193.4MB in the end (delta: -115.9MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 130.1MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.86ms. Allocated memory is still 167.8MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.45ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 97.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.32ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.29ms. Allocated memory is still 167.8MB. Free memory was 95.1MB in the beginning and 77.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8412.98ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 77.5MB in the beginning and 193.4MB in the end (delta: -115.9MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:39,269 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:41,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:41,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:41,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:41,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:41,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:41,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:41,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:41,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:41,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:41,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:41,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:41,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:41,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:41,695 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:41,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:41,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:41,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:41,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:41,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:41,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:41,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:41,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:41,701 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:41,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:41,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:41,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:41,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:41,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:41,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:41,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:41,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:41,708 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:41,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:41,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:41,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:41,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:41,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:41,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:41,710 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:41,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:41,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:41,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:41,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:41,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:41,713 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:41,713 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:42,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:42,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:42,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:42,064 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:42,065 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:42,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-25 11:48:42,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:42,127 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:42,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-25 11:48:43,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:43,972 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:43,973 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-25 11:48:43,980 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/140d8017b/ef62d89897c54cb2908a2d8baa442dbd/FLAG4dbf61517 [2024-09-25 11:48:43,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/140d8017b/ef62d89897c54cb2908a2d8baa442dbd [2024-09-25 11:48:43,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:43,999 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:44,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:44,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:44,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:44,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:42" (1/2) ... [2024-09-25 11:48:44,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ed6cc6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:42" (1/2) ... [2024-09-25 11:48:44,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ebec4f8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:43" (2/2) ... [2024-09-25 11:48:44,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ed6cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:43" (2/2) ... [2024-09-25 11:48:44,027 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:44,028 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 11:48:44,028 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:44,029 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:44,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:44,219 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-09-25 11:48:44,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:44,261 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:44,304 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] Start Parsing Local [2024-09-25 11:48:44,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:44,344 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:44,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44 WrapperNode [2024-09-25 11:48:44,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:44,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:44,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:44,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:44,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,386 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:44,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:44,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:44,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:44,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:44,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:44,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:44,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:44,449 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:44,584 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:44,586 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:45,129 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:45,146 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:45,194 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:45,195 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:45,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:45 BoogieIcfgContainer [2024-09-25 11:48:45,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:45,196 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:45,196 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:45,199 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:45,199 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:42" (1/4) ... [2024-09-25 11:48:45,200 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2472eb79 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,200 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:43" (2/4) ... [2024-09-25 11:48:45,200 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2472eb79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,200 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44" (3/4) ... [2024-09-25 11:48:45,201 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2472eb79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,201 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:45" (4/4) ... [2024-09-25 11:48:45,206 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-25 11:48:45,209 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:45,210 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:45,210 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:45,210 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:45,210 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:45,210 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:45,211 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:45,211 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:45,211 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:45,277 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:45,278 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:45,278 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:45,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:45,280 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:45,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,297 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:45,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,300 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:45,300 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:45,301 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:45,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:45,325 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:45,357 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:45,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:45,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:45,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:45,358 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:45,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,373 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:45,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:45,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:45,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:45,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:45,376 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:45,403 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:45,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:45,406 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:45,406 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:45,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:45,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,414 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:45,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:45,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:45,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:45,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,462 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:49,502 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:49,503 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,507 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:49,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,510 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:49,538 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:49,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,539 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,539 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,541 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:49,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,542 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,542 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,545 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:49,563 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:49,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,580 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:49,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,582 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,611 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:49,629 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:49,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,632 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,654 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:49,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,662 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:53,765 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:53,800 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:53,800 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2472eb79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:53, skipping insertion in model container [2024-09-25 11:48:53,801 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:53,803 INFO L158 Benchmark]: Toolchain (without parser) took 9804.42ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 51.9MB in the end (delta: 10.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,803 INFO L158 Benchmark]: Witness Parser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:53,804 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:53,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.74ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 48.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,805 INFO L158 Benchmark]: Boogie Preprocessor took 61.97ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 46.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,805 INFO L158 Benchmark]: RCFGBuilder took 785.91ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 57.5MB in the end (delta: -11.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,806 INFO L158 Benchmark]: Referee took 8604.82ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 51.9MB in the end (delta: 5.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.74ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 48.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.97ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 46.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 785.91ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 57.5MB in the end (delta: -11.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 8604.82ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 51.9MB in the end (delta: 5.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:53,853 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: UNKNOWN