./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.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-f1d7dc9-m [2024-09-20 13:28:07,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:07,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:07,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:07,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:07,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:07,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:07,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:07,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:07,649 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:07,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:07,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:07,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:07,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:07,651 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:07,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:07,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:07,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:07,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:07,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:07,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:07,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:07,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:07,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:07,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:07,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:07,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:07,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:07,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:07,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:07,657 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:07,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:07,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:07,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:07,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:07,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:07,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:07,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:07,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:07,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:07,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:07,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:07,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:07,661 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:07,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:07,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:07,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:07,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:07,869 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:07,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-20 13:28:09,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:09,463 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:09,463 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-20 13:28:09,472 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f8edf66ff/bc7361dfe1be4867ae875280b7c4f9d7/FLAG7080fe0f9 [2024-09-20 13:28:09,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f8edf66ff/bc7361dfe1be4867ae875280b7c4f9d7 [2024-09-20 13:28:09,857 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:09,862 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:09,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-20 13:28:09,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:09,911 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:09,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:09,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:09,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:09,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:09" (1/2) ... [2024-09-20 13:28:09,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301dffba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:09" (1/2) ... [2024-09-20 13:28:09,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@642b15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:09" (2/2) ... [2024-09-20 13:28:09,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301dffba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:09" (2/2) ... [2024-09-20 13:28:09,928 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:09,929 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 13:28:09,932 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:09,932 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:09,932 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:09,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:10,073 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-20 13:28:10,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:10,100 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:10,132 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:10,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:10,194 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:10,196 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10 WrapperNode [2024-09-20 13:28:10,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:10,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:10,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:10,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:10,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,263 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:28:10,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:10,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:10,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:10,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:10,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:10,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:10,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:28:10,304 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:28:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:10,382 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:10,384 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:10,402 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:10,420 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:10,590 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:10,607 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:10,632 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:10,632 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:10,632 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:10 BoogieIcfgContainer [2024-09-20 13:28:10,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:10,633 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:10,633 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:10,634 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:10,634 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:09" (1/4) ... [2024-09-20 13:28:10,634 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dcb598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,634 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:09" (2/4) ... [2024-09-20 13:28:10,635 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dcb598 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,635 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (3/4) ... [2024-09-20 13:28:10,635 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dcb598 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,635 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:10" (4/4) ... [2024-09-20 13:28:10,636 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-20 13:28:10,638 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:10,639 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:10,639 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:10,639 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:10,639 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:10,639 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:10,639 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:10,640 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:10,640 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:10,640 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:10,640 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:10,640 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:10,640 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:10,640 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:10,641 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location [2024-09-20 13:28:10,687 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:10,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:10,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:10,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:10,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:10,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,701 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:10,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,702 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:10,703 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:10,703 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:10,706 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:10,726 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:10,751 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:10,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:10,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:10,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:10,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:10,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,755 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:10,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:10,755 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:10,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:10,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:10,760 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:10,780 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:10,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:10,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:10,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:10,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:10,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,797 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:10,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:10,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:10,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:10,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,805 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:14,817 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:14,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,818 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:14,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,826 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:14,835 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:14,835 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,835 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,835 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,837 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:14,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,837 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,837 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,837 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,837 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,838 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:14,846 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:14,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,847 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,867 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:14,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,868 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,869 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:14,877 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:14,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,893 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:14,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,903 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:18,913 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:18,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,915 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:18,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,916 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,917 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:18,924 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:18,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,926 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:18,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,927 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,928 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:18,935 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:18,935 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,935 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,935 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,936 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,936 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:18,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,937 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,937 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,938 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:18,944 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:18,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,945 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,945 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,946 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:18,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,946 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,947 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,947 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,947 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,948 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:18,955 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:18,955 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,955 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,955 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,958 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:18,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,960 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:18,968 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:18,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,990 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:18,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,991 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,991 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:19,020 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,023 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:23,029 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:23,029 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dcb598 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,029 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:23,031 INFO L158 Benchmark]: Toolchain (without parser) took 13118.91ms. Allocated memory is still 174.1MB. Free memory was 101.5MB in the beginning and 143.4MB in the end (delta: -41.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,031 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 174.1MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:23,031 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:23,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.91ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 144.9MB in the end (delta: -43.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,032 INFO L158 Benchmark]: Boogie Preprocessor took 79.14ms. Allocated memory is still 174.1MB. Free memory was 144.9MB in the beginning and 142.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,032 INFO L158 Benchmark]: RCFGBuilder took 354.88ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 125.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,033 INFO L158 Benchmark]: Referee took 12396.55ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 143.4MB in the end (delta: -18.2MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,034 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 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 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 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 174.1MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.91ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 144.9MB in the end (delta: -43.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.14ms. Allocated memory is still 174.1MB. Free memory was 144.9MB in the beginning and 142.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.88ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 125.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12396.55ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 143.4MB in the end (delta: -18.2MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:23,058 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_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.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-f1d7dc9-m [2024-09-20 13:28:24,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:25,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:25,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:25,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:25,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:25,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:25,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:25,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:25,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:25,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:25,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:25,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:25,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:25,123 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:25,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:25,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:25,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:25,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:25,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:25,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:25,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:25,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:25,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:25,134 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:25,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:25,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:25,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:25,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:25,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:25,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:25,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:25,135 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:25,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:25,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:25,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:25,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:25,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:25,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:25,140 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:25,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:25,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:25,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:25,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:25,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:25,146 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:25,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:25,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:25,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:25,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:25,445 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:25,445 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:25,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-20 13:28:25,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:25,538 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:25,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-20 13:28:27,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:27,340 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:27,340 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-20 13:28:27,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/88ea7ec75/098a3eeee923486195e2bc12da51d81e/FLAG280a5aaac [2024-09-20 13:28:27,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/88ea7ec75/098a3eeee923486195e2bc12da51d81e [2024-09-20 13:28:27,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:27,361 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:27,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:27,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:27,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:27,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:25" (1/2) ... [2024-09-20 13:28:27,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac00905 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:25" (1/2) ... [2024-09-20 13:28:27,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fe6ec68 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:27" (2/2) ... [2024-09-20 13:28:27,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac00905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:27" (2/2) ... [2024-09-20 13:28:27,382 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:27,384 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 13:28:27,384 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:27,384 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:27,384 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:27,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:27,542 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-20 13:28:27,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:27,571 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:27,607 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:27,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:27,635 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:27,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27 WrapperNode [2024-09-20 13:28:27,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:27,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:27,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:27,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:27,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,668 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:28:27,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:27,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:27,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:27,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:27,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:27,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:27,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:28:27,723 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:28:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:27,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:27,852 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:27,854 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:27,871 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:27,894 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:28,278 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:28,300 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:28,339 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:28,339 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:28,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:28 BoogieIcfgContainer [2024-09-20 13:28:28,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:28,345 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:28,345 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:28,346 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:28,346 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:25" (1/4) ... [2024-09-20 13:28:28,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ab79a6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,346 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:27" (2/4) ... [2024-09-20 13:28:28,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ab79a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,346 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (3/4) ... [2024-09-20 13:28:28,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ab79a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,347 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:28" (4/4) ... [2024-09-20 13:28:28,348 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-20 13:28:28,351 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:28,352 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:28,352 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:28,352 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:28,352 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:28,353 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:28,353 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:28,353 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:28,353 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:28,353 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:28,353 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:28,354 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:28,354 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:28,354 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:28,355 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-20 13:28:28,418 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:28,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:28,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:28,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:28,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:28,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,431 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:28,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:28,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:28,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:28,436 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:28,448 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:28,475 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:28,475 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:28,475 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:28,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:28,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:28,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,480 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:28,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,481 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:28,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:28,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:28,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:28,485 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:28,501 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:28,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:28,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:28,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:28,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:28,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,523 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:28,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,523 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:28,523 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:28,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:28,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,562 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:32,587 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:32,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,588 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:32,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,590 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:32,608 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:32,608 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,609 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,609 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,609 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,610 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:32,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,612 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:32,623 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:32,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,647 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:32,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,647 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,649 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:32,658 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:32,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,674 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:32,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,714 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:36,736 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:36,736 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,754 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:36,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,757 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:36,769 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:36,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,769 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,776 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:36,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,782 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:36,788 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:36,789 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,789 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,789 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,789 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,790 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:36,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,790 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,790 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,792 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:36,798 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:36,798 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,798 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,798 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,800 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:36,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,800 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,802 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:36,808 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:36,808 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,808 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,808 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,808 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,811 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:36,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,828 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:36,837 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:36,837 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,837 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,837 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,838 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,849 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:36,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,849 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,849 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,849 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:40,930 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:40,962 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:40,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ab79a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:40, skipping insertion in model container [2024-09-20 13:28:40,963 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:40,964 INFO L158 Benchmark]: Toolchain (without parser) took 13602.94ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 46.8MB in the beginning and 70.7MB in the end (delta: -23.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-09-20 13:28:40,965 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:40,965 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 105.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:40,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.12ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 58.3MB in the end (delta: -11.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-09-20 13:28:40,966 INFO L158 Benchmark]: Boogie Preprocessor took 49.86ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:40,966 INFO L158 Benchmark]: RCFGBuilder took 657.54ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 39.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:40,967 INFO L158 Benchmark]: Referee took 12617.85ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 39.5MB in the beginning and 70.7MB in the end (delta: -31.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-20 13:28:40,968 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 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. 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 main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head 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 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 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.67ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 105.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.12ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 58.3MB in the end (delta: -11.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.86ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.54ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 39.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12617.85ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 39.5MB in the beginning and 70.7MB in the end (delta: -31.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:41,012 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