./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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 13:28:06,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:06,069 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:06,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:06,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:06,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:06,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:06,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:06,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:06,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:06,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:06,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:06,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:06,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:06,093 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:06,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:06,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:06,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:06,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:06,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:06,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:06,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:06,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:06,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:06,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:06,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:06,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:06,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:06,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:06,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:06,101 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:06,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:06,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:06,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:06,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:06,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:06,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:06,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:06,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:06,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:06,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:06,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:06,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:06,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:06,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:06,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:06,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:06,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:06,310 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:06,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 13:28:07,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:07,666 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:07,666 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 13:28:07,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dfc6f51f5/0b7e8d1096084b83806647f7cba37591/FLAGa9b06a64d [2024-09-20 13:28:07,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dfc6f51f5/0b7e8d1096084b83806647f7cba37591 [2024-09-20 13:28:07,685 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:07,686 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:07,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-20 13:28:07,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:07,730 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:07,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:07,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:07,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:07,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:07" (1/2) ... [2024-09-20 13:28:07,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b00a64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:07, skipping insertion in model container [2024-09-20 13:28:07,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:07" (1/2) ... [2024-09-20 13:28:07,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18653797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:07, skipping insertion in model container [2024-09-20 13:28:07,737 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 01:28:07" (2/2) ... [2024-09-20 13:28:07,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b00a64b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:07, skipping insertion in model container [2024-09-20 13:28:07,737 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 01:28:07" (2/2) ... [2024-09-20 13:28:07,744 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:07,744 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 13:28:07,744 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:07,744 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:07,744 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:07,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:07,863 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_unwindbound1.c[537,550] [2024-09-20 13:28:07,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:07,887 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:07,919 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_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:07,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:07,944 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:07,945 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:07 WrapperNode [2024-09-20 13:28:07,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:07,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:07,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:07,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:07,956 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,956 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,965 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,977 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 13:28:07,977 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,977 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,983 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,987 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,990 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,991 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 01:28:07" (1/1) ... [2024-09-20 13:28:07,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:07,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:07,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:07,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:07,997 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 01:28:07" (1/1) ... [2024-09-20 13:28:08,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:08,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:08,022 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 13:28:08,024 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 13:28:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:08,108 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:08,109 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:08,125 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:08,143 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:08,292 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:08,307 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:08,323 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:08,323 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:08,323 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:08 BoogieIcfgContainer [2024-09-20 13:28:08,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:08,324 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:08,324 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:08,325 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:08,325 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:07" (1/4) ... [2024-09-20 13:28:08,325 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@131cb95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:08, skipping insertion in model container [2024-09-20 13:28:08,325 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 01:28:07" (2/4) ... [2024-09-20 13:28:08,325 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@131cb95a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:08, skipping insertion in model container [2024-09-20 13:28:08,325 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 01:28:07" (3/4) ... [2024-09-20 13:28:08,325 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@131cb95a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:08, skipping insertion in model container [2024-09-20 13:28:08,326 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 01:28:08" (4/4) ... [2024-09-20 13:28:08,326 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-20 13:28:08,329 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:08,330 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 13:28:08,330 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:08,330 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 13:28:08,330 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:08,330 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:08,330 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 13:28:08,330 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 13:28:08,330 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 13:28:08,331 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 13:28:08,331 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 13:28:08,331 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:08,331 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 13:28:08,331 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 13:28:08,331 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, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:28:08,376 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:08,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:08,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:08,378 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:08,379 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:08,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:08,390 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:08,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:08,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:08,391 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:08,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:08,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:08,408 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 13:28:08,452 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:08,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:08,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:08,452 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:08,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:08,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:08,454 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:08,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:08,454 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:08,454 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:08,454 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:08,454 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:08,457 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:08,471 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:08,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:08,472 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:08,472 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:08,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:08,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:08,487 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:08,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:08,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:08,488 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:08,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:08,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:12,494 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:12,511 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:12,511 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:12,511 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:12,511 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:12,511 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:12,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,512 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:12,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:12,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:12,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:12,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:12,516 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:12,527 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:12,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:12,528 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:12,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:12,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:12,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,530 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:12,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,531 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:12,531 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:12,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:12,531 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:12,533 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:12,545 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:12,546 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:12,546 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:12,546 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:12,546 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:12,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,567 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:12,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:12,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:12,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:12,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:12,569 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:12,578 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:12,579 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:12,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:12,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:12,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:12,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,594 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:12,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:12,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:12,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:12,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:12,598 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:16,604 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:16,613 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:16,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:16,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:16,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:16,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:16,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,614 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:16,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:16,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:16,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:16,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:16,618 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:16,625 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:16,625 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:16,625 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:16,626 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:16,626 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:16,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,628 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:16,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:16,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:16,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:16,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:16,631 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:16,637 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:16,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:16,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:16,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:16,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:16,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,639 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:16,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,639 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:16,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:16,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:16,640 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:16,641 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:16,647 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:16,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:16,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:16,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:16,648 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:16,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,649 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:16,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:16,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:16,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:16,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:16,651 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:16,658 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:16,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:16,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:16,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:16,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:16,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,661 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:16,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:16,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:16,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:16,661 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:16,663 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:16,668 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:16,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:16,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:16,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:16,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:16,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,683 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:16,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:16,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:16,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:16,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:16,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:20,691 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:20,696 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:20,696 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@131cb95a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:20, skipping insertion in model container [2024-09-20 13:28:20,696 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:20,697 INFO L158 Benchmark]: Toolchain (without parser) took 12967.13ms. Allocated memory is still 174.1MB. Free memory was 100.0MB in the beginning and 80.0MB in the end (delta: 19.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:20,698 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:20,698 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:20,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.42ms. Allocated memory is still 174.1MB. Free memory was 100.0MB in the beginning and 86.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:20,698 INFO L158 Benchmark]: Boogie Preprocessor took 50.34ms. Allocated memory is still 174.1MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:20,699 INFO L158 Benchmark]: RCFGBuilder took 327.38ms. Allocated memory is still 174.1MB. Free memory was 83.9MB in the beginning and 65.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:20,699 INFO L158 Benchmark]: Referee took 12372.14ms. Allocated memory is still 174.1MB. Free memory was 65.8MB in the beginning and 80.0MB in the end (delta: -14.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:20,701 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 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. 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. 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 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 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 check that a call to reach_error is unreachable at line 13. 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 28. 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 loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.42ms. Allocated memory is still 174.1MB. Free memory was 100.0MB in the beginning and 86.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.34ms. Allocated memory is still 174.1MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.38ms. Allocated memory is still 174.1MB. Free memory was 83.9MB in the beginning and 65.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12372.14ms. Allocated memory is still 174.1MB. Free memory was 65.8MB in the beginning and 80.0MB in the end (delta: -14.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:20,726 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 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_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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 13:28:22,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:22,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:22,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:22,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:22,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:22,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:22,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:22,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:22,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:22,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:22,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:22,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:22,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:22,462 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:22,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:22,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:22,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:22,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:22,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:22,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:22,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:22,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:22,467 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:22,467 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:22,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:22,467 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:22,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:22,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:22,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:22,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:22,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:22,468 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:22,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:22,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:22,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:22,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:22,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:22,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:22,469 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:22,469 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:22,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:22,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:22,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:22,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:22,471 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:22,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:22,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:22,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:22,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:22,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:22,727 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:22,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 13:28:23,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:24,099 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:24,100 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 13:28:24,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f4efa848e/7e4ab40a0d04455c97a2e237e2704f27/FLAGe2c3593b8 [2024-09-20 13:28:24,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f4efa848e/7e4ab40a0d04455c97a2e237e2704f27 [2024-09-20 13:28:24,505 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:24,505 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:24,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-20 13:28:24,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:24,551 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:24,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:24,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:24,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:24,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:24" (1/2) ... [2024-09-20 13:28:24,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8b1890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:24, skipping insertion in model container [2024-09-20 13:28:24,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:24" (1/2) ... [2024-09-20 13:28:24,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9e47374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:24, skipping insertion in model container [2024-09-20 13:28:24,561 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 01:28:24" (2/2) ... [2024-09-20 13:28:24,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8b1890 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:24, skipping insertion in model container [2024-09-20 13:28:24,561 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 01:28:24" (2/2) ... [2024-09-20 13:28:24,567 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:24,569 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 13:28:24,569 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:24,569 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:24,569 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:24,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:24,710 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_unwindbound1.c[537,550] [2024-09-20 13:28:24,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:24,742 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:24,782 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_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:24,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:24,811 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:24,812 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:24 WrapperNode [2024-09-20 13:28:24,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:24,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:24,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:24,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:24,825 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,826 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,832 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,842 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 13:28:24,842 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,842 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,852 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,856 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,858 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,859 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:24,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:24,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:24,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:24,865 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 01:28:24" (1/1) ... [2024-09-20 13:28:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:24,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:24,891 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 13:28:24,894 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 13:28:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:24,997 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:25,001 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:25,021 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:25,046 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:25,419 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:25,441 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:25,465 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:25,467 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:25,468 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:25 BoogieIcfgContainer [2024-09-20 13:28:25,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:25,468 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:25,468 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:25,469 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:25,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:24" (1/4) ... [2024-09-20 13:28:25,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14da7464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:25, skipping insertion in model container [2024-09-20 13:28:25,469 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 01:28:24" (2/4) ... [2024-09-20 13:28:25,470 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14da7464 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:25, skipping insertion in model container [2024-09-20 13:28:25,470 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 01:28:24" (3/4) ... [2024-09-20 13:28:25,470 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14da7464 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:25, skipping insertion in model container [2024-09-20 13:28:25,470 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 01:28:25" (4/4) ... [2024-09-20 13:28:25,471 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-20 13:28:25,476 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:25,477 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 13:28:25,477 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:25,478 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 13:28:25,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:25,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:25,478 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 13:28:25,478 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 13:28:25,479 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 13:28:25,479 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 13:28:25,479 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 13:28:25,479 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:25,479 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 13:28:25,480 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 13:28:25,480 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-20 13:28:25,519 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:25,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:25,520 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:25,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:25,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:25,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:25,531 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:25,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:25,532 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:25,532 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:25,532 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:25,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:25,553 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 13:28:25,578 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:25,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:25,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:25,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:25,581 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:25,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:25,582 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:25,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:25,586 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:25,586 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:25,586 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:25,586 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:25,587 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:25,611 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:25,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:25,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:25,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:25,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:25,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:25,625 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:25,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:25,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:25,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:25,627 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:25,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,664 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:29,687 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:29,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,687 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,687 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,687 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,688 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:29,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,688 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,689 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,689 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,693 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:29,710 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:29,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,713 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:29,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,716 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:29,732 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:29,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,764 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:29,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,767 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:29,778 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:29,778 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,778 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,778 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,778 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,789 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:29,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,790 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,790 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,830 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:33,850 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:33,852 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,852 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,852 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,852 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,853 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:33,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,855 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:33,861 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:33,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,863 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:33,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,865 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:33,878 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:33,878 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,880 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:33,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,882 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:33,887 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:33,888 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,888 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,889 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:33,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,890 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,891 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:33,897 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:33,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,900 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:33,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,918 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:33,928 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:33,928 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,928 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,930 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,949 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:33,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,954 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:38,030 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:38,056 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:38,056 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14da7464 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:38, skipping insertion in model container [2024-09-20 13:28:38,056 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:38,058 INFO L158 Benchmark]: Toolchain (without parser) took 13506.30ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 41.7MB in the beginning and 44.9MB in the end (delta: -3.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,058 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:38,058 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:38,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.81ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 41.5MB in the beginning and 67.6MB in the end (delta: -26.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,059 INFO L158 Benchmark]: Boogie Preprocessor took 50.27ms. Allocated memory is still 88.1MB. Free memory was 67.6MB in the beginning and 65.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,059 INFO L158 Benchmark]: RCFGBuilder took 603.45ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 48.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,060 INFO L158 Benchmark]: Referee took 12588.08ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 44.9MB in the end (delta: 3.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,061 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. 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 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 check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.81ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 41.5MB in the beginning and 67.6MB in the end (delta: -26.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.27ms. Allocated memory is still 88.1MB. Free memory was 67.6MB in the beginning and 65.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.45ms. Allocated memory is still 88.1MB. Free memory was 65.2MB in the beginning and 48.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12588.08ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 44.9MB in the end (delta: 3.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:38,101 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN