./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.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-fb1cb0b-m [2024-09-25 11:48:17,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:17,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:17,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:17,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:17,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:17,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:17,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:17,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:17,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:17,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:17,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:17,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:17,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:17,125 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:17,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:17,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:17,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:17,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:17,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:17,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:17,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:17,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:17,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:17,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:17,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:17,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:17,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:17,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:17,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:17,130 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:17,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:17,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:17,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:17,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:17,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:17,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:17,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:17,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:17,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:17,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:17,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:17,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:17,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:17,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:17,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:17,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:17,414 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:17,415 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:17,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-25 11:48:17,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:17,474 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:17,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 11:48:18,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:19,039 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:19,040 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 11:48:19,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/33fef1258/821b9d1fa3b041d9afbdcf98cf3bfd39/FLAGf2c00b59f [2024-09-25 11:48:19,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/33fef1258/821b9d1fa3b041d9afbdcf98cf3bfd39 [2024-09-25 11:48:19,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:19,061 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:19,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:19,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:19,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:19,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:17" (1/2) ... [2024-09-25 11:48:19,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ff5e61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:17" (1/2) ... [2024-09-25 11:48:19,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7033b2fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:19" (2/2) ... [2024-09-25 11:48:19,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ff5e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:19" (2/2) ... [2024-09-25 11:48:19,080 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:19,080 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)) [2024-09-25 11:48:19,080 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:19,080 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:19,081 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:19,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:19,234 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_unwindbound50.c[537,550] [2024-09-25 11:48:19,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:19,267 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:19,299 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:19,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:19,329 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:19,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19 WrapperNode [2024-09-25 11:48:19,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:19,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:19,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:19,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:19,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,350 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,366 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 [2024-09-25 11:48:19,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:19,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:19,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:19,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:19,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:19,415 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) [2024-09-25 11:48:19,419 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 [2024-09-25 11:48:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:19,548 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:19,554 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:19,577 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:19,652 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:19,900 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:19,914 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:19,945 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:19,946 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:19,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:19 BoogieIcfgContainer [2024-09-25 11:48:19,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:19,947 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:19,948 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:19,948 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:19,949 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:17" (1/4) ... [2024-09-25 11:48:19,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f388a2e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,950 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:19" (2/4) ... [2024-09-25 11:48:19,951 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f388a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,951 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (3/4) ... [2024-09-25 11:48:19,951 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f388a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,951 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:19" (4/4) ... [2024-09-25 11:48:19,952 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-25 11:48:19,955 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:19,956 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. [2024-09-25 11:48:19,956 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:19,956 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:19,956 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:19,956 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:19,957 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:19,957 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:19,957 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:19,957 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:19,957 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:19,957 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:19,958 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:19,958 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:19,958 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:20,005 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:20,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,022 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:20,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,050 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:20,068 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:20,069 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,069 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,071 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:20,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,074 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:20,097 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:20,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,112 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:20,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,116 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:24,138 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:24,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,140 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:24,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,140 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,150 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,162 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,162 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,164 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,165 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,166 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,178 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:24,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,211 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:24,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,215 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:24,231 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:24,231 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,231 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,231 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,231 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,257 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:24,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,257 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,264 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,271 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:28,288 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:28,288 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:28,288 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:28,288 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:28,288 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:28,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,289 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:28,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:28,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:28,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:28,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,293 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:28,303 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:28,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:28,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:28,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:28,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:28,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,306 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:28,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:28,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:28,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:28,308 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,309 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:28,320 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:28,321 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:28,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:28,322 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:28,322 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:28,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,323 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:28,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:28,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:28,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:28,324 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,326 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:28,338 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:28,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:28,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:28,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:28,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:28,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,340 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:28,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:28,341 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:28,341 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:28,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,342 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:28,353 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:28,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:28,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:28,353 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:28,353 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:28,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,358 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:28,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:28,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:28,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:28,359 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,361 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:28,395 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:28,395 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:28,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:28,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:28,395 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:28,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,461 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:28,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:28,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:28,462 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:28,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:28,471 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:32,476 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:32,482 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:32,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f388a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,483 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:32,484 INFO L158 Benchmark]: Toolchain (without parser) took 13423.10ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 118.3MB in the beginning and 143.4MB in the end (delta: -25.1MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:32,485 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:32,485 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:32,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.59ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 104.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:32,486 INFO L158 Benchmark]: Boogie Preprocessor took 53.15ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:32,486 INFO L158 Benchmark]: RCFGBuilder took 562.13ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 114.2MB in the end (delta: -12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:32,487 INFO L158 Benchmark]: Referee took 12536.24ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 143.4MB in the end (delta: -29.2MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:32,489 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 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. 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 exit of procedure __VERIFIER_assert. 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 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.59ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 104.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.15ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.13ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 114.2MB in the end (delta: -12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12536.24ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 143.4MB in the end (delta: -29.2MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:32,522 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/11.0.12-open/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_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.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-fb1cb0b-m [2024-09-25 11:48:34,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:34,692 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:34,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:34,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:34,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:34,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:34,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:34,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:34,729 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:34,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:34,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:34,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:34,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:34,732 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:34,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:34,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:34,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:34,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:34,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:34,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:34,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:34,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:34,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:34,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:34,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:34,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:34,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:34,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:34,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:34,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:34,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:34,740 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:34,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:34,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:34,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:34,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:34,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:34,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:34,741 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:34,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:34,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:34,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:34,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:34,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:34,744 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:34,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:35,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:35,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:35,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:35,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:35,046 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:35,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 11:48:36,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:36,703 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:36,704 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 11:48:36,710 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c46002785/afa2fc949e3441e38d2f88f44d977239/FLAGcacebb5d6 [2024-09-25 11:48:36,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c46002785/afa2fc949e3441e38d2f88f44d977239 [2024-09-25 11:48:36,723 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:36,724 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:36,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-25 11:48:36,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:36,778 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:36,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:36,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:36,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:36,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:36" (1/2) ... [2024-09-25 11:48:36,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623897a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:36, skipping insertion in model container [2024-09-25 11:48:36,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:36" (1/2) ... [2024-09-25 11:48:36,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a053a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:36, skipping insertion in model container [2024-09-25 11:48:36,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:36" (2/2) ... [2024-09-25 11:48:36,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623897a2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:36, skipping insertion in model container [2024-09-25 11:48:36,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:36" (2/2) ... [2024-09-25 11:48:36,798 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:36,799 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)) [2024-09-25 11:48:36,799 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:36,799 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:36,799 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:36,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:36,972 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_unwindbound50.c[537,550] [2024-09-25 11:48:36,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:37,007 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:37,047 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:37,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:37,084 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:37,085 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:37 WrapperNode [2024-09-25 11:48:37,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:37,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:37,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:37,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:37,100 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,100 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,107 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,121 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 [2024-09-25 11:48:37,122 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,122 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,131 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,134 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,139 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,140 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:37,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:37,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:37,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:37,146 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 25.09 11:48:37" (1/1) ... [2024-09-25 11:48:37,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:37,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:37,173 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) [2024-09-25 11:48:37,175 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 [2024-09-25 11:48:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:37,298 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:37,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:37,333 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:37,358 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:37,816 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:37,832 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:37,868 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:37,868 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:37,871 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:37 BoogieIcfgContainer [2024-09-25 11:48:37,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:37,872 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:37,872 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:37,873 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:37,873 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:36" (1/4) ... [2024-09-25 11:48:37,873 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572c5059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:37, skipping insertion in model container [2024-09-25 11:48:37,876 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:36" (2/4) ... [2024-09-25 11:48:37,877 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572c5059 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:37, skipping insertion in model container [2024-09-25 11:48:37,877 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 25.09 11:48:37" (3/4) ... [2024-09-25 11:48:37,877 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572c5059 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:37, skipping insertion in model container [2024-09-25 11:48:37,877 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:37" (4/4) ... [2024-09-25 11:48:37,879 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-25 11:48:37,882 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:37,883 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. [2024-09-25 11:48:37,883 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:37,884 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:37,884 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:37,884 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:37,884 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:37,885 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:37,885 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:37,885 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:37,885 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:37,886 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:37,886 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:37,886 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:37,887 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:37,952 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:37,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,953 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,972 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:37,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,993 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:38,014 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:38,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,015 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,018 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:38,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,018 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,018 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,021 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:38,067 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:38,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,076 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:38,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,119 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:42,146 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:42,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,147 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,148 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:42,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,151 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,163 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:42,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,165 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:42,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,165 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,165 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,166 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,167 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,182 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:42,182 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,182 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,182 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,183 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,223 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:42,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,224 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,225 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,233 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:42,253 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:42,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,268 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:42,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,453 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,477 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:42,478 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,478 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,478 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,479 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:42,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,480 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,484 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,497 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:42,497 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,497 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,497 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,497 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,500 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:42,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,502 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:42,511 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:42,511 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,511 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,511 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,511 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,512 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:42,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,514 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:42,522 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:42,522 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,525 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:42,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,525 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,525 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,525 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,525 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,526 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,535 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:42,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,535 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,539 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:42,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,569 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:42,585 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:42,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,605 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:42,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:46,705 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:46,730 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:46,732 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572c5059 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:46, skipping insertion in model container [2024-09-25 11:48:46,732 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:46,734 INFO L158 Benchmark]: Toolchain (without parser) took 9955.28ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 28.2MB in the beginning and 37.3MB in the end (delta: -9.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:46,734 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 44.0MB. Free memory is still 20.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:46,734 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:46,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.25ms. Allocated memory is still 56.6MB. Free memory was 28.1MB in the beginning and 29.7MB in the end (delta: -1.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:46,735 INFO L158 Benchmark]: Boogie Preprocessor took 57.37ms. Allocated memory is still 56.6MB. Free memory was 29.7MB in the beginning and 27.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:46,735 INFO L158 Benchmark]: RCFGBuilder took 725.70ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 40.4MB in the end (delta: -13.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:46,736 INFO L158 Benchmark]: Referee took 8860.68ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 37.3MB in the end (delta: 3.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:46,738 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. 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 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 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. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 44.0MB. Free memory is still 20.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.25ms. Allocated memory is still 56.6MB. Free memory was 28.1MB in the beginning and 29.7MB in the end (delta: -1.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.37ms. Allocated memory is still 56.6MB. Free memory was 29.7MB in the beginning and 27.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.70ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 40.4MB in the end (delta: -13.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8860.68ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 37.3MB in the end (delta: 3.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:46,781 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