./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:47,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:47,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:47,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:47,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:47,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:47,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:47,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:47,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:47,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:47,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:47,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:47,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:47,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:47,902 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:47,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:47,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:47,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:47,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:47,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:47,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:47,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:47,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:47,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:47,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:47,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:47,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:47,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:47,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:47,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:47,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:47,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:47,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:47,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:47,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:47,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:47,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:47,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:47,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:47,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:47,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:47,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:47,914 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:48,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:48,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:48,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:48,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:48,165 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:48,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2024-09-11 20:51:49,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:49,856 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:49,856 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2024-09-11 20:51:49,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7d65389ec/11a5a115512e44d89778d07adfeb2f5b/FLAGc1483f575 [2024-09-11 20:51:49,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7d65389ec/11a5a115512e44d89778d07adfeb2f5b [2024-09-11 20:51:49,893 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:49,893 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:49,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:51:49,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:49,943 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:49,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:49,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:49,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:49,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:49" (1/2) ... [2024-09-11 20:51:49,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365e61e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:49, skipping insertion in model container [2024-09-11 20:51:49,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:49" (1/2) ... [2024-09-11 20:51:49,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fa51a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:49, skipping insertion in model container [2024-09-11 20:51:49,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:49" (2/2) ... [2024-09-11 20:51:49,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365e61e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:49, skipping insertion in model container [2024-09-11 20:51:49,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:49" (2/2) ... [2024-09-11 20:51:49,961 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:49,961 INFO L1541 ArrayList]: Loop invariant at [L34-L45] (((((((((((((b == y) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (z == 0)) && (0 <= a)) && (a == x)) || ((((((((1 <= (b % 2)) && (((-1 + b) / 2) == y)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (b <= 10)) && (x == ((long long) 2 * a))) && (a <= 10)) && (0 <= a))) || ((((((((y <= 2) && (x == ((__int128) 2 * z))) && (0 <= y)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (b <= 10)) && (a <= 10)) && (0 <= a))) || ((((((((y <= 2) && (0 <= y)) && (((long long) a * b) == ((__int128) x * y))) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (z == 0)) && (0 <= a))) || (((((((0 <= y) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (b <= 10)) && (a <= 10)) && (y <= 1)) && (0 <= a))) || ((((((((y == (b / 2)) && (1 <= b)) && (b <= 10)) && (x == ((long long) 2 * a))) && (a <= 10)) && (z == 0)) && (0 <= a)) && ((b % 2) != 1))) || ((((((((1 != (((-1 + b) / 2) % 2)) && (x == ((long long) a * 4))) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (0 <= a)) && (((-1 + b) / 4) == y)) && (((2 * ((long long) ((-1 + b) / 2) * a)) + z) == ((long long) a * b)))) [2024-09-11 20:51:49,962 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:49,962 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:49,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:50,102 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c[537,550] [2024-09-11 20:51:50,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:50,122 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:50,155 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c[537,550] Start Parsing Local [2024-09-11 20:51:50,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:50,200 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:50,200 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50 WrapperNode [2024-09-11 20:51:50,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:50,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:50,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:50,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:50,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,239 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 [2024-09-11 20:51:50,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:50,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:50,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:50,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:50,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (1/1) ... [2024-09-11 20:51:50,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:50,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:50,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:50,295 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:50,387 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:50,389 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:50,590 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:50,619 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:50,619 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:50,639 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:50,642 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:50,642 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:50 BoogieIcfgContainer [2024-09-11 20:51:50,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:50,643 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:50,643 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:50,644 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:50,644 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:49" (1/4) ... [2024-09-11 20:51:50,645 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3eb857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:50, skipping insertion in model container [2024-09-11 20:51:50,645 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:49" (2/4) ... [2024-09-11 20:51:50,645 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3eb857 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:50, skipping insertion in model container [2024-09-11 20:51:50,646 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:50" (3/4) ... [2024-09-11 20:51:50,646 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3eb857 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:50, skipping insertion in model container [2024-09-11 20:51:50,646 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:50" (4/4) ... [2024-09-11 20:51:50,647 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound10.c [2024-09-11 20:51:50,651 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:50,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:50,652 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:50,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:50,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:50,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:50,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:50,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:50,654 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:51:50,704 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:50,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:50,706 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:50,706 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:50,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:50,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:50,721 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:50,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:50,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:50,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:50,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:50,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:50,743 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:50,774 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:50,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:50,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:50,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:50,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:50,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:50,822 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:50,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:50,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:50,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:50,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:50,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:50,847 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:50,871 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:50,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:50,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:50,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:50,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:50,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:50,955 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:51:50,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:50,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:50,957 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:50,957 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:50,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:51,021 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:51,042 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:51,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:51,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:51,043 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:51,043 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:51,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,064 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:51,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:51,064 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:51,064 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:51,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:51,070 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:51,087 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:51,087 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:51,087 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:51,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:51,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:51,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,102 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:51,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:51,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:51,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:51,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:51,124 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:51,137 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:51,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:51,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:51,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:51,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:51,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,142 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:51,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:51,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:51,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:51,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:51,146 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:51,158 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:51,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:51,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:51,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:51,162 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:51,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,164 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:51,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:51,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:51,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:51,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:51,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:51,166 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:51,170 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:51,172 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3eb857 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:51, skipping insertion in model container [2024-09-11 20:51:51,172 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:51,174 INFO L158 Benchmark]: Toolchain (without parser) took 1229.72ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 96.7MB in the beginning and 155.3MB in the end (delta: -58.6MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:51,174 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 155.2MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:51,175 INFO L158 Benchmark]: Witness Parser took 1.39ms. Allocated memory is still 155.2MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:51,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.34ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 82.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:51,179 INFO L158 Benchmark]: Boogie Preprocessor took 62.63ms. Allocated memory is still 155.2MB. Free memory was 82.6MB in the beginning and 80.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:51,180 INFO L158 Benchmark]: RCFGBuilder took 377.98ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 80.3MB in the beginning and 213.0MB in the end (delta: -132.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:51,181 INFO L158 Benchmark]: Referee took 529.04ms. Allocated memory is still 245.4MB. Free memory was 213.0MB in the beginning and 155.3MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:51,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 14. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 155.2MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.39ms. Allocated memory is still 155.2MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.34ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 82.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.63ms. Allocated memory is still 155.2MB. Free memory was 82.6MB in the beginning and 80.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.98ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 80.3MB in the beginning and 213.0MB in the end (delta: -132.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Referee took 529.04ms. Allocated memory is still 245.4MB. Free memory was 213.0MB in the beginning and 155.3MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:51,212 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/prodbin-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:53,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:53,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:53,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:53,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:53,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:53,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:53,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:53,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:53,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:53,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:53,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:53,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:53,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:53,526 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:53,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:53,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:53,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:53,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:53,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:53,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:53,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:53,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:53,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:53,535 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:53,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:53,535 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:53,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:53,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:53,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:53,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:53,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:53,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:53,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:53,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:53,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:53,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:53,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:53,538 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:53,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:53,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:53,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:53,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:53,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:53,543 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:53,543 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:53,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:53,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:53,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:53,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:53,840 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:53,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2024-09-11 20:51:55,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:55,424 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:55,424 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2024-09-11 20:51:55,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ae5d5df34/3cfcbcd7f3184573b56fa0f48451570b/FLAG89ec20bb5 [2024-09-11 20:51:55,444 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ae5d5df34/3cfcbcd7f3184573b56fa0f48451570b [2024-09-11 20:51:55,447 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:55,448 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:55,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:51:55,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:55,490 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:55,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:55,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:55,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:55,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:55" (1/2) ... [2024-09-11 20:51:55,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dbd984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:55" (1/2) ... [2024-09-11 20:51:55,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e2a4de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:55" (2/2) ... [2024-09-11 20:51:55,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dbd984 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55, skipping insertion in model container [2024-09-11 20:51:55,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:55" (2/2) ... [2024-09-11 20:51:55,513 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:55,517 INFO L1541 ArrayList]: Loop invariant at [L34-L45] (((((((((((((b == y) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (z == 0)) && (0 <= a)) && (a == x)) || ((((((((1 <= (b % 2)) && (((-1 + b) / 2) == y)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (b <= 10)) && (x == ((long long) 2 * a))) && (a <= 10)) && (0 <= a))) || ((((((((y <= 2) && (x == ((__int128) 2 * z))) && (0 <= y)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (b <= 10)) && (a <= 10)) && (0 <= a))) || ((((((((y <= 2) && (0 <= y)) && (((long long) a * b) == ((__int128) x * y))) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (z == 0)) && (0 <= a))) || (((((((0 <= y) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (b <= 10)) && (a <= 10)) && (y <= 1)) && (0 <= a))) || ((((((((y == (b / 2)) && (1 <= b)) && (b <= 10)) && (x == ((long long) 2 * a))) && (a <= 10)) && (z == 0)) && (0 <= a)) && ((b % 2) != 1))) || ((((((((1 != (((-1 + b) / 2) % 2)) && (x == ((long long) a * 4))) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (0 <= a)) && (((-1 + b) / 4) == y)) && (((2 * ((long long) ((-1 + b) / 2) * a)) + z) == ((long long) a * b)))) [2024-09-11 20:51:55,518 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:55,518 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:55,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:55,668 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c[537,550] [2024-09-11 20:51:55,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:55,699 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:55,739 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c[537,550] Start Parsing Local [2024-09-11 20:51:55,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:55,794 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:55,795 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55 WrapperNode [2024-09-11 20:51:55,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:55,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:55,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:55,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:55,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,833 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 [2024-09-11 20:51:55,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:55,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:55,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:55,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:55,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (1/1) ... [2024-09-11 20:51:55,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:55,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:55,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:55,901 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:56,009 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:56,011 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:57,279 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:57,331 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:57,331 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:57,347 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:57,347 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:57,348 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:57 BoogieIcfgContainer [2024-09-11 20:51:57,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:57,348 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:57,349 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:57,349 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:57,349 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:55" (1/4) ... [2024-09-11 20:51:57,350 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@808fbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:57, skipping insertion in model container [2024-09-11 20:51:57,350 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:55" (2/4) ... [2024-09-11 20:51:57,350 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@808fbe2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:57, skipping insertion in model container [2024-09-11 20:51:57,350 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:55" (3/4) ... [2024-09-11 20:51:57,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@808fbe2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:57, skipping insertion in model container [2024-09-11 20:51:57,351 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:57" (4/4) ... [2024-09-11 20:51:57,352 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound10.c [2024-09-11 20:51:57,354 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:57,355 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:57,355 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:57,355 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:57,356 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:57,356 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:57,356 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:57,356 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:57,356 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:51:57,390 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:57,391 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:57,392 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:57,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:57,394 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:57,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:57,416 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:57,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:57,421 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:57,421 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:57,421 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:57,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:57,438 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:57,460 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:57,464 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:57,464 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:57,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:57,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:57,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:57,506 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:57,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:57,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:57,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:57,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:57,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:57,523 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:57,535 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:57,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:57,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:57,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:57,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:57,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:57,606 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:51:57,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:57,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:57,607 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:57,607 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:57,616 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:01,892 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:01,986 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:52:01,986 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:01,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:01,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:01,987 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:01,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:01,999 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:52:02,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:02,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:02,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:02,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:02,060 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:02,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:02,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:02,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:02,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:02,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:02,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,102 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:02,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:02,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:02,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:02,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:06,186 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:06,226 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:06,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:06,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:06,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:06,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:06,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,230 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:06,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:06,231 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:06,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:06,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:06,233 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:06,242 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:06,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:06,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:06,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:06,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:06,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,245 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:06,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:06,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:06,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:06,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:06,248 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:06,250 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:06,251 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@808fbe2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:06, skipping insertion in model container [2024-09-11 20:52:06,251 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:06,253 INFO L158 Benchmark]: Toolchain (without parser) took 10761.61ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 25.5MB in the beginning and 30.8MB in the end (delta: -5.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:06,254 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:06,254 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:06,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.88ms. Allocated memory is still 60.8MB. Free memory was 25.3MB in the beginning and 28.6MB in the end (delta: -3.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:06,257 INFO L158 Benchmark]: Boogie Preprocessor took 64.13ms. Allocated memory is still 60.8MB. Free memory was 28.6MB in the beginning and 26.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:06,257 INFO L158 Benchmark]: RCFGBuilder took 1486.74ms. Allocated memory is still 60.8MB. Free memory was 26.3MB in the beginning and 26.8MB in the end (delta: -540.0kB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:06,258 INFO L158 Benchmark]: Referee took 8902.44ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 26.8MB in the beginning and 30.8MB in the end (delta: -4.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:06,261 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 34 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. 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 14. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.88ms. Allocated memory is still 60.8MB. Free memory was 25.3MB in the beginning and 28.6MB in the end (delta: -3.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.13ms. Allocated memory is still 60.8MB. Free memory was 28.6MB in the beginning and 26.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1486.74ms. Allocated memory is still 60.8MB. Free memory was 26.3MB in the beginning and 26.8MB in the end (delta: -540.0kB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Referee took 8902.44ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 26.8MB in the beginning and 30.8MB in the end (delta: -4.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:06,339 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