./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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/lcm2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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 [2024-09-12 16:50:49,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:49,890 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:50:49,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:49,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:49,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:49,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:49,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:49,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:49,929 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:49,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:49,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:49,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:49,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:49,932 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:49,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:49,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:49,933 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:49,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:50:49,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:49,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:49,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:49,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:49,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:49,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:49,938 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:49,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:49,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:49,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:49,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:49,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:49,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:49,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:49,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:49,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:49,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:49,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:50:49,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:50:49,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:49,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:49,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:49,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:49,943 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:50:50,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:50:50,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:50:50,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:50:50,215 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:50:50,216 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:50:50,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-12 16:50:50,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:50:50,272 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:50:50,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-12 16:50:51,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:50:51,846 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:50:51,846 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-12 16:50:51,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c0632a1be/81e0b3b00a3043aca09a2c5cd5df5b0f/FLAG6bb545476 [2024-09-12 16:50:52,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c0632a1be/81e0b3b00a3043aca09a2c5cd5df5b0f [2024-09-12 16:50:52,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:50:52,238 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:50:52,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:52,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:50:52,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:50:52,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:50" (1/2) ... [2024-09-12 16:50:52,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e276285 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:52, skipping insertion in model container [2024-09-12 16:50:52,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:50" (1/2) ... [2024-09-12 16:50:52,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ef8a2e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:52, skipping insertion in model container [2024-09-12 16:50:52,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:52" (2/2) ... [2024-09-12 16:50:52,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e276285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52, skipping insertion in model container [2024-09-12 16:50:52,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:52" (2/2) ... [2024-09-12 16:50:52,256 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:50:52,257 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && ((x + ((b / 4294967296) * 4294967296)) <= (y + ((a / 4294967296) * 4294967296)))) && (b == u)) && (y <= (((y / 4294967296) * 4294967296) + 1))) && (a == x)) [2024-09-12 16:50:52,257 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 16:50:52,260 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-12 16:50:52,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:50:52,422 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/lcm2_valuebound1.c[537,550] [2024-09-12 16:50:52,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:52,454 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:50:52,494 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/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-12 16:50:52,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:52,521 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:50:52,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52 WrapperNode [2024-09-12 16:50:52,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:52,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:50:52,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:50:52,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:50:52,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,565 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 [2024-09-12 16:50:52,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:50:52,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:50:52,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:50:52,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:50:52,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (1/1) ... [2024-09-12 16:50:52,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:52,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:50:52,624 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) [2024-09-12 16:50:52,630 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 [2024-09-12 16:50:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:50:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:50:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:50:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:50:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:50:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:50:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:50:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:50:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:50:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:50:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:50:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:50:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:50:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:50:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:50:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:50:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:50:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:50:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:50:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:50:52,742 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:50:52,744 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:50:52,973 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:53,017 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 16:50:53,018 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:50:53,051 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:50:53,052 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:50:53,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:53 BoogieIcfgContainer [2024-09-12 16:50:53,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:50:53,053 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:50:53,054 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:50:53,055 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:50:53,055 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:50" (1/4) ... [2024-09-12 16:50:53,056 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e35aff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:53, skipping insertion in model container [2024-09-12 16:50:53,056 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:50:52" (2/4) ... [2024-09-12 16:50:53,057 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e35aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:53, skipping insertion in model container [2024-09-12 16:50:53,057 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:52" (3/4) ... [2024-09-12 16:50:53,057 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e35aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:53, skipping insertion in model container [2024-09-12 16:50:53,057 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:53" (4/4) ... [2024-09-12 16:50:53,058 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-12 16:50:53,069 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:50:53,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:53,070 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:50:53,070 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:53,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:53,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:53,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 16:50:53,071 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:50:53,077 INFO L130 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 [2024-09-12 16:50:53,146 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:50:53,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:53,148 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:53,148 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:53,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:53,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:53,179 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:50:53,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:53,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:53,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:53,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:53,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:53,199 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:53,233 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:50:53,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:53,233 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:53,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:53,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:53,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:53,260 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:50:53,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:53,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:53,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:53,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:53,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:53,267 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:53,288 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:53,288 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:53,288 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:53,288 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:53,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:53,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:53,300 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:53,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:53,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:53,303 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:53,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:53,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:57,313 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:50:57,341 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:50:57,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:57,342 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:57,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:57,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:57,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,346 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:50:57,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:57,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:57,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:57,349 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:57,354 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:57,370 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:57,371 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:57,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:57,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:57,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:57,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,374 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:57,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:57,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:57,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:57,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:57,377 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:57,400 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 16:50:57,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:57,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:57,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:57,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:57,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,422 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 16:50:57,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:57,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:57,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:57,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:57,430 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:57,448 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 16:50:57,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:57,448 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:57,449 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:57,449 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:57,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,492 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 16:50:57,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:57,493 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:57,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:57,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:57,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:57,509 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:57,513 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:50:57,513 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e35aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:50:57, skipping insertion in model container [2024-09-12 16:50:57,513 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:50:57,516 INFO L158 Benchmark]: Toolchain (without parser) took 5276.61ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 109.9MB in the beginning and 152.9MB in the end (delta: -43.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-09-12 16:50:57,517 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:57,517 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:57,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.55ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 96.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:50:57,519 INFO L158 Benchmark]: Boogie Preprocessor took 66.59ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:57,520 INFO L158 Benchmark]: RCFGBuilder took 462.57ms. Allocated memory is still 167.8MB. Free memory was 94.0MB in the beginning and 75.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 16:50:57,521 INFO L158 Benchmark]: Referee took 4460.10ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 75.9MB in the beginning and 152.9MB in the end (delta: -77.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-12 16:50:57,524 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. 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 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. 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 loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.55ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 96.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.59ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.57ms. Allocated memory is still 167.8MB. Free memory was 94.0MB in the beginning and 75.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 4460.10ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 75.9MB in the beginning and 152.9MB in the end (delta: -77.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:50:57,551 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_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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 [2024-09-12 16:50:59,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:59,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:50:59,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:59,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:59,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:59,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:59,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:59,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:59,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:59,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:59,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:59,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:59,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:59,730 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:59,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:59,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:59,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:59,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:59,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:59,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:59,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:59,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:59,733 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:50:59,733 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:50:59,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:59,734 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:50:59,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:59,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:59,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:59,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:59,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:59,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:59,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:59,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:59,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:59,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:59,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:59,740 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:50:59,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:50:59,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:59,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:59,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:59,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:59,742 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:50:59,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:51:00,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:51:00,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:51:00,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:51:00,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:51:00,073 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:51:00,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-12 16:51:01,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:51:01,827 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:51:01,828 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-12 16:51:01,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/860e8e4e5/7f048c12dbb346f4863dd3f3c70c389f/FLAGfffa7fc07 [2024-09-12 16:51:01,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/860e8e4e5/7f048c12dbb346f4863dd3f3c70c389f [2024-09-12 16:51:01,862 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:51:01,863 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:51:01,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-12 16:51:01,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:51:01,920 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:51:01,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:51:01,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:51:01,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:51:01,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:51:01" (1/2) ... [2024-09-12 16:51:01,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15670e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:51:01, skipping insertion in model container [2024-09-12 16:51:01,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:51:01" (1/2) ... [2024-09-12 16:51:01,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1410fcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:51:01, skipping insertion in model container [2024-09-12 16:51:01,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:01" (2/2) ... [2024-09-12 16:51:01,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15670e50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:51:01, skipping insertion in model container [2024-09-12 16:51:01,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:01" (2/2) ... [2024-09-12 16:51:01,946 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:51:01,955 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && ((x + ((b / 4294967296) * 4294967296)) <= (y + ((a / 4294967296) * 4294967296)))) && (b == u)) && (y <= (((y / 4294967296) * 4294967296) + 1))) && (a == x)) [2024-09-12 16:51:01,956 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-12 16:51:01,956 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 16:51:01,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:51:02,141 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/lcm2_valuebound1.c[537,550] [2024-09-12 16:51:02,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:51:02,184 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:51:02,225 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/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-12 16:51:02,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:51:02,257 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:51:02,258 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:51:02 WrapperNode [2024-09-12 16:51:02,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:51:02,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:51:02,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:51:02,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:51:02,271 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,272 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,281 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,299 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 [2024-09-12 16:51:02,303 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,303 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,314 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,321 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,325 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,326 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:51:02,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:51:02,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:51:02,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:51:02,334 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 12.09 04:51:02" (1/1) ... [2024-09-12 16:51:02,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:51:02,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:51:02,370 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) [2024-09-12 16:51:02,376 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 [2024-09-12 16:51:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:51:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:51:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:51:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:51:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:51:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:51:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:51:02,419 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:51:02,419 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:51:02,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:51:02,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:51:02,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:51:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:51:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:51:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:51:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:51:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:51:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:51:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:51:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:51:02,504 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:51:02,508 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:51:02,908 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:51:02,955 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 16:51:02,956 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:51:02,991 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:51:02,991 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:51:02,991 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:51:02 BoogieIcfgContainer [2024-09-12 16:51:02,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:51:02,992 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:51:02,993 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:51:02,994 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:51:02,994 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:51:01" (1/4) ... [2024-09-12 16:51:02,994 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fa86d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:51:02, skipping insertion in model container [2024-09-12 16:51:02,995 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:01" (2/4) ... [2024-09-12 16:51:02,995 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fa86d8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:51:02, skipping insertion in model container [2024-09-12 16:51:02,995 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 12.09 04:51:02" (3/4) ... [2024-09-12 16:51:02,995 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fa86d8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:51:02, skipping insertion in model container [2024-09-12 16:51:02,995 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:51:02" (4/4) ... [2024-09-12 16:51:02,997 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-12 16:51:03,001 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:51:03,002 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:51:03,002 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:51:03,002 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:51:03,003 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:51:03,003 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:51:03,003 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 16:51:03,003 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:51:03,004 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-12 16:51:03,059 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:51:03,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:03,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:03,061 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:03,062 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:03,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,077 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:51:03,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:03,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:03,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:03,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:03,099 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:51:03,129 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:51:03,130 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:03,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:03,131 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:03,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:03,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,158 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:51:03,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:03,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:03,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:03,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:03,164 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:03,187 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:51:03,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:03,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:03,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:03,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:03,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,201 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:51:03,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,202 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:03,202 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:03,202 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:03,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:03,205 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:03,216 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:51:03,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:03,216 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:03,216 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:03,217 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:03,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,219 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:51:03,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:03,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:03,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:03,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:03,222 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:51:03,232 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:51:03,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:03,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:03,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:03,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:03,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,234 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:51:03,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,234 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:03,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:03,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:03,235 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:03,236 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:51:03,247 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 16:51:03,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:03,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:03,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:03,248 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:03,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,263 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 16:51:03,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:03,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:03,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:03,264 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:03,270 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:51:03,280 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 16:51:03,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:03,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:03,280 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:03,281 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:03,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,312 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 16:51:03,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:03,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:03,313 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:03,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:03,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:03,344 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:51:03,352 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:51:03,353 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fa86d8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:51:03, skipping insertion in model container [2024-09-12 16:51:03,353 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:51:03,355 INFO L158 Benchmark]: Toolchain (without parser) took 1433.43ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.7MB in the beginning and 58.7MB in the end (delta: -24.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-09-12 16:51:03,355 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:03,355 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 71.3MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:03,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.17ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 38.2MB in the end (delta: -3.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-09-12 16:51:03,357 INFO L158 Benchmark]: Boogie Preprocessor took 72.88ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 35.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:51:03,357 INFO L158 Benchmark]: RCFGBuilder took 658.79ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 43.0MB in the end (delta: -7.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-12 16:51:03,358 INFO L158 Benchmark]: Referee took 360.91ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.0MB in the beginning and 58.7MB in the end (delta: -15.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-09-12 16:51:03,360 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 __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. 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 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 loop head at line 37. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.24ms. Allocated memory is still 71.3MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.17ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 38.2MB in the end (delta: -3.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.88ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 35.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.79ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 43.0MB in the end (delta: -7.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Referee took 360.91ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 43.0MB in the beginning and 58.7MB in the end (delta: -15.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:51:03,392 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE