./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.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_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.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 20:51:20,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:20,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:20,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:20,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:20,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:20,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:20,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:20,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:20,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:20,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:20,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:20,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:20,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:20,934 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:20,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:20,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:20,935 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:20,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:20,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:20,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:20,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:20,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:20,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:20,936 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:20,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:20,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:20,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:20,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:20,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:20,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:20,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:20,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:20,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:20,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:20,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:20,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:20,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:20,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:20,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:20,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:20,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:20,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:21,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:21,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:21,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:21,181 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:21,181 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:21,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-11 20:51:21,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:21,221 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:21,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-11 20:51:22,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:22,591 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:22,592 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-11 20:51:22,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a88e4a26c/3c7477a0ac6947ceac83fd3c1d4f8d8a/FLAG15f99895f [2024-09-11 20:51:23,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a88e4a26c/3c7477a0ac6947ceac83fd3c1d4f8d8a [2024-09-11 20:51:23,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:23,005 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:23,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:23,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:23,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:23,012 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 08:51:21" (1/2) ... [2024-09-11 20:51:23,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b10c86 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,012 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 08:51:21" (1/2) ... [2024-09-11 20:51:23,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e9ac948 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:23" (2/2) ... [2024-09-11 20:51:23,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b10c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:23" (2/2) ... [2024-09-11 20:51:23,020 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:23,021 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) && ((a % 4294967296) <= 65535)) [2024-09-11 20:51:23,021 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:23,022 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:23,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:23,150 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_valuebound5.c[537,550] [2024-09-11 20:51:23,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:23,171 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:23,203 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_valuebound5.c[537,550] Start Parsing Local [2024-09-11 20:51:23,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:23,232 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:23,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23 WrapperNode [2024-09-11 20:51:23,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:23,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:23,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:23,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:23,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,262 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 20:51:23,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:23,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:23,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:23,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:23,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:23,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:23,304 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 20:51:23,305 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 20:51:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:23,394 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:23,396 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:23,562 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:23,603 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:23,603 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:23,623 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:23,623 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:23,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:23 BoogieIcfgContainer [2024-09-11 20:51:23,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:23,624 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:23,625 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:23,625 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:23,625 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 08:51:21" (1/4) ... [2024-09-11 20:51:23,626 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3907d7e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,626 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:23" (2/4) ... [2024-09-11 20:51:23,626 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3907d7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,626 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (3/4) ... [2024-09-11 20:51:23,626 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3907d7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,626 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:23" (4/4) ... [2024-09-11 20:51:23,627 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-11 20:51:23,630 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:23,631 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 20:51:23,631 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:23,631 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:23,631 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 20:51:23,631 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 20:51:23,632 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:23,633 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:23,634 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:23,674 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:23,675 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,675 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,686 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:23,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,688 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,689 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,712 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:23,739 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:23,740 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,770 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:23,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,779 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:23,795 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:23,796 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,803 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:23,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,809 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:27,827 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:27,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,834 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:27,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,841 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:27,850 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:27,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,852 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,853 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:27,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,855 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:27,869 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:27,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,871 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,871 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,884 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:27,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,885 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,885 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,886 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,889 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:27,899 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:27,900 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,900 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,900 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,928 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:27,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,938 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:31,944 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:31,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3907d7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:31, skipping insertion in model container [2024-09-11 20:51:31,945 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:31,946 INFO L158 Benchmark]: Toolchain (without parser) took 8940.25ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 69.7MB in the end (delta: 50.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,946 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory was 123.9MB in the beginning and 123.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:31,947 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 155.2MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:31,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.45ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 105.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,947 INFO L158 Benchmark]: Boogie Preprocessor took 45.51ms. Allocated memory is still 155.2MB. Free memory was 105.2MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,948 INFO L158 Benchmark]: RCFGBuilder took 344.94ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 114.5MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,948 INFO L158 Benchmark]: Referee took 8320.34ms. Allocated memory is still 155.2MB. Free memory was 114.5MB in the beginning and 69.7MB in the end (delta: 44.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure main 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 loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory was 123.9MB in the beginning and 123.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 155.2MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.45ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 105.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.51ms. Allocated memory is still 155.2MB. Free memory was 105.2MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.94ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 114.5MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 8320.34ms. Allocated memory is still 155.2MB. Free memory was 114.5MB in the beginning and 69.7MB in the end (delta: 44.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:31,969 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_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.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 20:51:33,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:33,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:33,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:33,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:33,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:33,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:33,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:33,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:33,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:33,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:33,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:33,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:33,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:33,763 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:33,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:33,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:33,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:33,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:33,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:33,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:33,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:33,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:33,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:33,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:33,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:33,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:33,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:33,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:33,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:33,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:33,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:33,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:33,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:33,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:33,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:33,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:33,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:33,769 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:33,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:33,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:33,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:33,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:33,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:33,771 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:33,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:34,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:34,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:34,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:34,036 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:34,036 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:34,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-11 20:51:34,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:34,077 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:34,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-11 20:51:35,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:35,437 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:35,437 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-11 20:51:35,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b44fe181e/c70fe2bbff034aadb187fb7190c665ab/FLAGb2cf9f579 [2024-09-11 20:51:35,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b44fe181e/c70fe2bbff034aadb187fb7190c665ab [2024-09-11 20:51:35,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:35,865 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:35,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:35,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:35,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:35,871 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 08:51:34" (1/2) ... [2024-09-11 20:51:35,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec89541 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,873 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 08:51:34" (1/2) ... [2024-09-11 20:51:35,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4534bb34 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (2/2) ... [2024-09-11 20:51:35,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec89541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (2/2) ... [2024-09-11 20:51:35,883 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:35,885 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) && ((a % 4294967296) <= 65535)) [2024-09-11 20:51:35,886 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:35,886 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:35,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:36,022 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_valuebound5.c[537,550] [2024-09-11 20:51:36,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:36,057 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:36,088 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_valuebound5.c[537,550] Start Parsing Local [2024-09-11 20:51:36,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:36,116 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:36,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36 WrapperNode [2024-09-11 20:51:36,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:36,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:36,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:36,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:36,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,152 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 20:51:36,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:36,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:36,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:36,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:36,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:36,195 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 20:51:36,196 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 20:51:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:36,285 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:36,287 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:36,599 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:36,629 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:36,629 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:36,651 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:36,651 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:36,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36 BoogieIcfgContainer [2024-09-11 20:51:36,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:36,652 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:36,652 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:36,652 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:36,653 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 08:51:34" (1/4) ... [2024-09-11 20:51:36,653 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d7d2eb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,653 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:35" (2/4) ... [2024-09-11 20:51:36,653 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d7d2eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,653 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (3/4) ... [2024-09-11 20:51:36,653 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d7d2eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,653 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36" (4/4) ... [2024-09-11 20:51:36,654 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-11 20:51:36,657 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:36,657 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 20:51:36,657 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,658 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,660 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:36,660 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,660 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:36,660 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,660 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:36,705 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:36,706 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,706 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,720 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:36,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,722 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,740 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:36,765 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:36,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,787 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:36,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,790 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,790 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,790 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,793 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:36,804 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:36,804 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,805 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,805 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,809 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:36,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,827 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:40,851 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:40,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,857 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:40,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,858 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,858 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,861 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:40,877 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:40,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,881 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,882 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:40,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,882 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,885 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:40,897 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:40,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,911 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:40,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,912 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,912 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,912 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,927 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:40,937 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:40,937 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,937 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,938 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,953 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:40,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,953 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,954 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,954 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,974 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:40,980 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:40,981 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d7d2eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:40, skipping insertion in model container [2024-09-11 20:51:40,981 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:40,982 INFO L158 Benchmark]: Toolchain (without parser) took 5116.49ms. Allocated memory is still 86.0MB. Free memory was 56.7MB in the beginning and 33.0MB in the end (delta: 23.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,983 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:40,983 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:40,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.57ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 42.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,985 INFO L158 Benchmark]: Boogie Preprocessor took 55.01ms. Allocated memory is still 86.0MB. Free memory was 42.0MB in the beginning and 63.7MB in the end (delta: -21.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,985 INFO L158 Benchmark]: RCFGBuilder took 477.58ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 46.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,986 INFO L158 Benchmark]: Referee took 4328.89ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 33.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,988 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 check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main 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. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.08ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.57ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 42.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.01ms. Allocated memory is still 86.0MB. Free memory was 42.0MB in the beginning and 63.7MB in the end (delta: -21.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 477.58ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 46.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4328.89ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 33.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:41,041 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN