./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/lcm2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 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/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:06:31,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:31,739 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:06:31,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:31,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:31,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:31,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:31,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:31,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:31,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:31,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:31,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:31,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:31,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:31,769 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:31,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:31,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:31,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:31,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:06:31,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:31,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:31,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:31,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:31,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:31,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:31,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:31,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:31,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:31,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:31,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:31,781 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:31,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:31,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:31,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:31,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:31,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:31,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:31,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:06:31,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:06:31,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:31,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:31,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:31,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:31,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:32,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:32,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:32,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:32,087 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:32,089 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:32,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-15 20:06:32,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:32,143 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:32,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-15 20:06:33,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:33,902 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:33,903 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-15 20:06:33,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/556d86306/432e1f1a85914d53be33e0b7c460a816/FLAG250fdaa4c [2024-09-15 20:06:34,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/556d86306/432e1f1a85914d53be33e0b7c460a816 [2024-09-15 20:06:34,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:34,257 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:34,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:34,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:34,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:34,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:32" (1/2) ... [2024-09-15 20:06:34,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411ee419 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:34, skipping insertion in model container [2024-09-15 20:06:34,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:32" (1/2) ... [2024-09-15 20:06:34,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57777045 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:34, skipping insertion in model container [2024-09-15 20:06:34,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:34" (2/2) ... [2024-09-15 20:06:34,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411ee419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34, skipping insertion in model container [2024-09-15 20:06:34,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:34" (2/2) ... [2024-09-15 20:06:34,276 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:34,278 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-15 20:06:34,278 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:06:34,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:34,473 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-09-15 20:06:34,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:34,515 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:06:34,557 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] Start Parsing Local [2024-09-15 20:06:34,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:34,589 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:34,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34 WrapperNode [2024-09-15 20:06:34,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:34,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:34,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:34,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:34,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,621 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:06:34,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:34,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:34,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:34,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:34,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (1/1) ... [2024-09-15 20:06:34,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:34,685 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) [2024-09-15 20:06:34,689 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 [2024-09-15 20:06:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:06:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:06:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:06:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:06:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:06:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:06:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:34,801 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:34,805 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:35,146 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:35,165 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:35,194 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:35,194 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:06:35,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:35 BoogieIcfgContainer [2024-09-15 20:06:35,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:35,196 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:35,196 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:35,197 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:35,197 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:32" (1/4) ... [2024-09-15 20:06:35,197 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e704034 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:35, skipping insertion in model container [2024-09-15 20:06:35,197 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:34" (2/4) ... [2024-09-15 20:06:35,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e704034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:35, skipping insertion in model container [2024-09-15 20:06:35,198 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:34" (3/4) ... [2024-09-15 20:06:35,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e704034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:35, skipping insertion in model container [2024-09-15 20:06:35,198 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:35" (4/4) ... [2024-09-15 20:06:35,199 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-15 20:06:35,203 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:06:35,203 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:06:35,204 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:06:35,204 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:06:35,204 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:35,204 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:35,204 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:35,204 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-15 20:06:35,276 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:06:35,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:35,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:35,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:35,280 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:35,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:35,324 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:06:35,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:35,325 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:35,326 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:35,326 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:35,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:35,361 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:35,386 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:06:35,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:35,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:35,391 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:35,391 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:35,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:35,430 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:06:35,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:35,431 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:35,431 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:35,431 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:35,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:39,449 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:06:39,478 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:06:39,478 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:39,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:39,478 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:39,478 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:39,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:39,484 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:06:39,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:39,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:39,484 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:39,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:39,485 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:39,491 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:39,504 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:39,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:39,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:39,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:39,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:39,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:39,513 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:39,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:39,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:39,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:39,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:39,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:43,518 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:06:43,535 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:06:43,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:43,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:43,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:43,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:43,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:43,539 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:06:43,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:43,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:43,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:43,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:43,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:43,543 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:43,553 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:43,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:43,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:43,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:43,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:43,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:43,555 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:43,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:43,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:43,556 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:43,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:43,556 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:43,558 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:06:43,561 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:06:43,562 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e704034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:06:43, skipping insertion in model container [2024-09-15 20:06:43,562 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:06:43,563 INFO L158 Benchmark]: Toolchain (without parser) took 9305.87ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 118.3MB in the end (delta: 42.6MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-09-15 20:06:43,564 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:43,564 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 78.6MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:43,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.52ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 146.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:06:43,566 INFO L158 Benchmark]: Boogie Preprocessor took 58.23ms. Allocated memory is still 192.9MB. Free memory was 146.7MB in the beginning and 144.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:43,566 INFO L158 Benchmark]: RCFGBuilder took 543.43ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 154.0MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-15 20:06:43,567 INFO L158 Benchmark]: Referee took 8366.13ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 118.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-15 20:06:43,569 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 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. 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 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 78.6MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.52ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 146.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.23ms. Allocated memory is still 192.9MB. Free memory was 146.7MB in the beginning and 144.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.43ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 154.0MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8366.13ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 118.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:06:43,601 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/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:06:45,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:45,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:06:45,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:45,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:45,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:45,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:45,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:45,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:45,969 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:45,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:45,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:45,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:45,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:45,971 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:45,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:45,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:45,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:45,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:45,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:45,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:45,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:45,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:45,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:06:45,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:06:45,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:45,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:06:45,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:45,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:45,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:45,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:45,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:45,980 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:45,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:45,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:45,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:45,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:45,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:45,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:45,983 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:06:45,984 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:06:45,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:45,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:45,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:45,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:45,985 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:06:45,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:46,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:46,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:46,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:46,339 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:46,340 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:46,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-15 20:06:46,389 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:46,389 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:46,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-15 20:06:47,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:48,073 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:48,074 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-15 20:06:48,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9d57b51e3/858e8875fdda4ca39185f1aa259f4fa3/FLAGd26c73f80 [2024-09-15 20:06:48,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9d57b51e3/858e8875fdda4ca39185f1aa259f4fa3 [2024-09-15 20:06:48,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:48,101 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:48,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:48,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:48,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:48,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:46" (1/2) ... [2024-09-15 20:06:48,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3119c0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:48, skipping insertion in model container [2024-09-15 20:06:48,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:46" (1/2) ... [2024-09-15 20:06:48,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28e46ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:48, skipping insertion in model container [2024-09-15 20:06:48,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:48" (2/2) ... [2024-09-15 20:06:48,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3119c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48, skipping insertion in model container [2024-09-15 20:06:48,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:48" (2/2) ... [2024-09-15 20:06:48,127 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:48,127 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-15 20:06:48,128 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:06:48,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:48,312 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-09-15 20:06:48,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:48,349 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:06:48,388 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] Start Parsing Local [2024-09-15 20:06:48,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:48,427 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:48,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48 WrapperNode [2024-09-15 20:06:48,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:48,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:48,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:48,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:48,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,460 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:06:48,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:48,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:48,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:48,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:48,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (1/1) ... [2024-09-15 20:06:48,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:48,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:48,514 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) [2024-09-15 20:06:48,516 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 [2024-09-15 20:06:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:06:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:06:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:06:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:06:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:06:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:06:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:48,657 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:48,660 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:49,184 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:49,206 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:49,241 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:49,241 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:06:49,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:49 BoogieIcfgContainer [2024-09-15 20:06:49,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:49,244 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:49,244 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:49,245 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:49,245 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:46" (1/4) ... [2024-09-15 20:06:49,246 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bd0f7db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:49, skipping insertion in model container [2024-09-15 20:06:49,246 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:48" (2/4) ... [2024-09-15 20:06:49,247 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bd0f7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:49, skipping insertion in model container [2024-09-15 20:06:49,247 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:48" (3/4) ... [2024-09-15 20:06:49,247 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bd0f7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:49, skipping insertion in model container [2024-09-15 20:06:49,248 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:49" (4/4) ... [2024-09-15 20:06:49,249 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-15 20:06:49,253 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:06:49,254 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:06:49,254 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:06:49,255 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:06:49,255 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:49,255 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:49,255 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:49,256 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-15 20:06:49,305 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:06:49,306 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:49,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:49,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:49,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:49,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:49,337 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:06:49,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:49,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:49,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:49,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:49,344 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:49,364 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:49,391 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:06:49,391 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:49,391 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:49,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:49,392 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:49,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:49,446 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:06:49,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:49,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:49,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:49,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:49,455 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,578 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:06:53,615 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:06:53,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,622 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:06:53,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,623 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,659 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:53,682 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:53,684 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,684 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,684 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,684 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,688 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:53,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,689 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,689 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,689 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,689 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:57,735 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:06:57,759 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:06:57,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:57,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:57,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:57,764 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:57,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:57,766 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:06:57,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:57,768 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:57,768 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:57,768 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:57,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:57,770 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:57,779 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:57,779 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:57,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:57,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:57,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:57,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:57,782 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:57,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:57,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:57,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:57,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:57,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:57,784 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:06:57,788 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:06:57,788 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bd0f7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:06:57, skipping insertion in model container [2024-09-15 20:06:57,789 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:06:57,791 INFO L158 Benchmark]: Toolchain (without parser) took 9688.82ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 32.4MB in the end (delta: 18.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-09-15 20:06:57,792 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:57,792 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:57,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.79ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 36.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:06:57,794 INFO L158 Benchmark]: Boogie Preprocessor took 51.63ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 34.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:57,795 INFO L158 Benchmark]: RCFGBuilder took 760.57ms. Allocated memory is still 73.4MB. Free memory was 34.2MB in the beginning and 42.0MB in the end (delta: -7.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-15 20:06:57,795 INFO L158 Benchmark]: Referee took 8544.89ms. Allocated memory is still 73.4MB. Free memory was 42.0MB in the beginning and 32.4MB in the end (delta: 9.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-09-15 20:06:57,798 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 35 to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. 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 35. 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 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.34ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.79ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 36.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.63ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 34.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 760.57ms. Allocated memory is still 73.4MB. Free memory was 34.2MB in the beginning and 42.0MB in the end (delta: -7.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Referee took 8544.89ms. Allocated memory is still 73.4MB. Free memory was 42.0MB in the beginning and 32.4MB in the end (delta: 9.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:06:57,845 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN