./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 ca4ee3dd 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/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-ca4ee3d-m [2024-09-20 20:11:37,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:37,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:37,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:37,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:37,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:37,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:37,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:37,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:37,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:37,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:37,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:37,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:37,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:37,694 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:37,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:37,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:37,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:37,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:37,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:37,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:37,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:37,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:37,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:37,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:37,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:37,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:37,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:37,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:37,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:37,701 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:37,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:37,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:37,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:37,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:37,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:37,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:37,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:37,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:37,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:37,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:37,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:37,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:37,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:37,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:37,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:37,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:37,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:37,926 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:37,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 20:11:39,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:39,320 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:39,321 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 20:11:39,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e86120b83/40fe8f252fdf4e3f841ae0c88f7588a9/FLAGb0d7bec92 [2024-09-20 20:11:39,744 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e86120b83/40fe8f252fdf4e3f841ae0c88f7588a9 [2024-09-20 20:11:39,747 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:39,747 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:39,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-20 20:11:39,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:39,792 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:39,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:39,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:39,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:39,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:39" (1/2) ... [2024-09-20 20:11:39,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500b5803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39, skipping insertion in model container [2024-09-20 20:11:39,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:39" (1/2) ... [2024-09-20 20:11:39,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@484bf3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:39, skipping insertion in model container [2024-09-20 20:11:39,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:39" (2/2) ... [2024-09-20 20:11:39,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500b5803 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:39, skipping insertion in model container [2024-09-20 20:11:39,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:39" (2/2) ... [2024-09-20 20:11:39,806 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:39,807 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)) [2024-09-20 20:11:39,807 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:39,808 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:39,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:39,931 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] [2024-09-20 20:11:39,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:39,953 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:39,987 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 [2024-09-20 20:11:39,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:40,014 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:40,015 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:40 WrapperNode [2024-09-20 20:11:40,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:40,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:40,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:40,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:40,026 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,027 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,034 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,047 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 [2024-09-20 20:11:40,047 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,047 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,054 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,056 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,060 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,061 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:40,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:40,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:40,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:40,066 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 20.09 08:11:40" (1/1) ... [2024-09-20 20:11:40,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:40,091 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) [2024-09-20 20:11:40,093 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 [2024-09-20 20:11:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:40,181 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:40,184 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:40,406 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:40,421 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:40,446 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:40,447 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:40,449 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:40 BoogieIcfgContainer [2024-09-20 20:11:40,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:40,450 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:40,451 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:40,451 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:40,451 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:39" (1/4) ... [2024-09-20 20:11:40,452 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@511abe5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:40, skipping insertion in model container [2024-09-20 20:11:40,452 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:39" (2/4) ... [2024-09-20 20:11:40,452 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@511abe5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:40, skipping insertion in model container [2024-09-20 20:11:40,452 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 20.09 08:11:40" (3/4) ... [2024-09-20 20:11:40,452 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@511abe5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:40, skipping insertion in model container [2024-09-20 20:11:40,452 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:40" (4/4) ... [2024-09-20 20:11:40,453 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-20 20:11:40,456 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:40,457 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:40,457 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:40,457 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:40,457 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:40,458 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:40,458 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:40,458 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:40,458 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-20 20:11:40,495 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:40,496 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,496 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,496 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,511 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:40,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,512 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,530 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:40,544 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:40,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,545 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,565 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:40,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,565 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,565 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,565 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,570 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:40,583 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:40,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,583 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,588 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:40,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,599 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:44,613 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:44,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,616 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:44,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,619 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:44,629 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:44,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,629 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,631 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:44,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,632 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,637 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:44,656 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:44,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,669 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:44,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,670 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,674 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:44,687 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:44,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,688 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,716 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:44,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,718 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,731 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:48,737 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:48,738 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@511abe5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:48, skipping insertion in model container [2024-09-20 20:11:48,739 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:48,741 INFO L158 Benchmark]: Toolchain (without parser) took 8948.24ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 79.6MB in the beginning and 121.8MB in the end (delta: -42.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,741 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:48,742 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:48,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.33ms. Allocated memory is still 130.0MB. Free memory was 79.6MB in the beginning and 66.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,743 INFO L158 Benchmark]: Boogie Preprocessor took 48.10ms. Allocated memory is still 130.0MB. Free memory was 66.0MB in the beginning and 63.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,744 INFO L158 Benchmark]: RCFGBuilder took 384.85ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 63.6MB in the beginning and 166.9MB in the end (delta: -103.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,745 INFO L158 Benchmark]: Referee took 8288.59ms. Allocated memory is still 195.0MB. Free memory was 166.9MB in the beginning and 121.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:48,747 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 check that procedure precondition always holds at line 38. 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. 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 main to loop head 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 0.15ms. Allocated memory is still 130.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.33ms. Allocated memory is still 130.0MB. Free memory was 79.6MB in the beginning and 66.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.10ms. Allocated memory is still 130.0MB. Free memory was 66.0MB in the beginning and 63.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.85ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 63.6MB in the beginning and 166.9MB in the end (delta: -103.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Referee took 8288.59ms. Allocated memory is still 195.0MB. Free memory was 166.9MB in the beginning and 121.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:48,780 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/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/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-ca4ee3d-m [2024-09-20 20:11:50,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:50,774 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:50,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:50,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:50,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:50,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:50,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:50,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:50,807 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:50,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:50,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:50,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:50,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:50,809 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:50,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:50,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:50,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:50,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:50,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:50,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:50,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:50,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:50,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:50,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:50,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:50,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:50,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:50,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:50,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:50,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:50,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:50,817 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:50,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:50,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:50,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:50,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:50,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:50,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:50,819 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:50,820 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:50,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:50,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:50,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:50,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:50,821 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:50,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:51,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:51,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:51,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:51,139 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:51,140 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:51,142 INFO L431 ainManager$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 [2024-09-20 20:11:51,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:51,195 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:51,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 20:11:52,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:52,788 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:52,788 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 20:11:52,796 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/75d773ab9/77a9dedf62dd488aaf8b714e0bcc0d02/FLAG0650498c8 [2024-09-20 20:11:52,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/75d773ab9/77a9dedf62dd488aaf8b714e0bcc0d02 [2024-09-20 20:11:52,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:52,814 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:52,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:52,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:52,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:52,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:51" (1/2) ... [2024-09-20 20:11:52,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef5484d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:52, skipping insertion in model container [2024-09-20 20:11:52,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:51" (1/2) ... [2024-09-20 20:11:52,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b745ef4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:52, skipping insertion in model container [2024-09-20 20:11:52,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:52" (2/2) ... [2024-09-20 20:11:52,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef5484d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:52, skipping insertion in model container [2024-09-20 20:11:52,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:52" (2/2) ... [2024-09-20 20:11:52,836 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:52,836 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)) [2024-09-20 20:11:52,837 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:52,837 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:52,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:53,006 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] [2024-09-20 20:11:53,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:53,037 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:53,073 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 [2024-09-20 20:11:53,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:53,105 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:53,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53 WrapperNode [2024-09-20 20:11:53,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:53,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:53,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:53,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:53,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,139 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 [2024-09-20 20:11:53,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:53,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:53,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:53,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:53,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (1/1) ... [2024-09-20 20:11:53,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:53,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:53,189 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) [2024-09-20 20:11:53,198 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 [2024-09-20 20:11:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:53,311 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:53,314 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:53,879 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:53,913 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:53,951 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:53,956 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:53,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:53 BoogieIcfgContainer [2024-09-20 20:11:53,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:53,957 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:53,957 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:53,958 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:53,958 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:51" (1/4) ... [2024-09-20 20:11:53,958 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f4398f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:53, skipping insertion in model container [2024-09-20 20:11:53,958 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:52" (2/4) ... [2024-09-20 20:11:53,959 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f4398f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:53, skipping insertion in model container [2024-09-20 20:11:53,959 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:53" (3/4) ... [2024-09-20 20:11:53,959 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f4398f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:53, skipping insertion in model container [2024-09-20 20:11:53,959 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:53" (4/4) ... [2024-09-20 20:11:53,961 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-20 20:11:53,965 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:53,965 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:53,965 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:53,966 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:53,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:53,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:53,967 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:53,967 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:53,967 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 [2024-09-20 20:11:54,019 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:54,020 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:54,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:54,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:54,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:54,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:54,033 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:54,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:54,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:54,034 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:54,034 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:54,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:54,053 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:54,076 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:54,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:54,077 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:54,077 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:54,077 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:54,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:54,092 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:54,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:54,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:54,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:54,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:54,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:54,095 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:54,110 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:54,111 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:54,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:54,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:54,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:54,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:54,116 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:54,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:54,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:54,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:54,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:54,116 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:58,174 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:58,204 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:58,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:58,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:58,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:58,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:58,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,207 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:58,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:58,207 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:58,207 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:58,208 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:58,209 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:58,231 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:58,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:58,236 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:58,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:58,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:58,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,238 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:58,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,238 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:58,238 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:58,238 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:58,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:58,239 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:58,249 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:58,249 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:58,249 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:58,249 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:58,249 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:58,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,261 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:58,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:58,265 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:58,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:58,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:58,288 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:58,303 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:58,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:58,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:58,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:58,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:58,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,325 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:58,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:58,326 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:58,326 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:58,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:58,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:02,422 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:12:02,454 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:12:02,454 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f4398f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:02, skipping insertion in model container [2024-09-20 20:12:02,454 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:02,456 INFO L158 Benchmark]: Toolchain (without parser) took 9641.38ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 34.5MB in the end (delta: 8.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-20 20:12:02,456 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:02,457 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:02,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.14ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 48.5MB in the end (delta: -5.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:02,458 INFO L158 Benchmark]: Boogie Preprocessor took 50.38ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 20:12:02,458 INFO L158 Benchmark]: RCFGBuilder took 799.46ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 51.9MB in the end (delta: -5.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:12:02,459 INFO L158 Benchmark]: Referee took 8497.40ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 34.5MB in the end (delta: 17.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:02,460 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 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. 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 0.19ms. Allocated memory is still 56.6MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.14ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 48.5MB in the end (delta: -5.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.38ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 799.46ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 51.9MB in the end (delta: -5.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8497.40ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 34.5MB in the end (delta: 17.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:12:02,503 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 Result: UNKNOWN