./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 6908dde5 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-6908dde-m [2024-09-25 00:29:46,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:46,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:46,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:46,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:46,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:46,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:46,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:46,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:46,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:46,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:46,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:46,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:46,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:46,335 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:46,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:46,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:46,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:46,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:46,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:46,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:46,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:46,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:46,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:46,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:46,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:46,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:46,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:46,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:46,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:46,341 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:46,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:46,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:46,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:46,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:46,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:46,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:46,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:46,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:46,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:46,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:46,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:46,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:46,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:46,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:46,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:46,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:46,645 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:46,646 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:46,647 INFO L431 ainManager$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 00:29:46,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:46,747 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:46,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 00:29:48,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:48,410 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:48,410 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 00:29:48,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3a8098048/bb0d7abf107b4d98b45d607994076381/FLAG16d42efe9 [2024-09-25 00:29:48,433 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3a8098048/bb0d7abf107b4d98b45d607994076381 [2024-09-25 00:29:48,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:48,434 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:48,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:48,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:48,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:48,444 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 12:29:46" (1/2) ... [2024-09-25 00:29:48,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1ff3a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:48, skipping insertion in model container [2024-09-25 00:29:48,448 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 12:29:46" (1/2) ... [2024-09-25 00:29:48,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3632476b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:48, skipping insertion in model container [2024-09-25 00:29:48,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:48" (2/2) ... [2024-09-25 00:29:48,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1ff3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48, skipping insertion in model container [2024-09-25 00:29:48,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:48" (2/2) ... [2024-09-25 00:29:48,458 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:48,459 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 00:29:48,459 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:48,460 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:48,460 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:48,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:48,673 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 00:29:48,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:48,713 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:48,763 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 00:29:48,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:48,802 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:48,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48 WrapperNode [2024-09-25 00:29:48,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:48,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:48,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:48,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:48,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,845 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 00:29:48,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:48,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:48,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:48,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:48,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:48,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:48,911 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 00:29:48,918 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 00:29:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:49,036 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:49,038 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:49,064 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:49,086 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:49,310 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:49,324 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:49,354 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:49,355 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:49,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:49 BoogieIcfgContainer [2024-09-25 00:29:49,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:49,356 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:49,356 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:49,361 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:49,362 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 12:29:46" (1/4) ... [2024-09-25 00:29:49,363 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@138c3c7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:49, skipping insertion in model container [2024-09-25 00:29:49,363 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:48" (2/4) ... [2024-09-25 00:29:49,364 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@138c3c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:49, skipping insertion in model container [2024-09-25 00:29:49,364 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (3/4) ... [2024-09-25 00:29:49,364 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@138c3c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:49, skipping insertion in model container [2024-09-25 00:29:49,364 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:49" (4/4) ... [2024-09-25 00:29:49,366 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-25 00:29:49,370 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:49,371 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 00:29:49,372 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:49,372 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 00:29:49,373 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:49,373 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:49,373 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 00:29:49,373 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 00:29:49,374 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 00:29:49,374 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 00:29:49,375 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 00:29:49,375 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:49,375 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 00:29:49,375 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 00:29:49,376 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:29:49,511 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:49,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:49,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:49,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:49,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:49,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,550 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:49,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:49,552 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:49,552 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:49,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:49,582 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 00:29:49,617 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:49,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:49,620 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:49,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:49,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:49,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,624 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:49,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:49,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:49,627 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:49,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:49,629 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:49,648 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:49,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:49,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:49,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:49,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:49,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,667 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:49,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,667 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:49,667 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:49,668 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:49,668 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,689 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:53,713 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:53,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,713 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,714 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:53,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,715 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,717 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:53,730 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:53,730 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,732 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:53,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,733 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,733 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,733 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,733 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,735 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:53,749 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:29:53,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,781 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:29:53,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,788 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:53,802 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:53,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,824 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:53,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,825 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,825 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,842 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:57,856 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:57,857 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,857 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,858 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,858 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:57,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,859 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,859 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,865 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:57,877 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:57,878 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,882 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:57,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,887 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:57,897 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:57,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,900 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:57,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,902 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:57,911 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:57,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,914 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:57,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,917 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:57,926 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:57,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,932 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:57,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,933 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,935 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:57,945 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:57,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,945 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,945 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,979 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:57,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,987 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:02,001 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:02,012 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:02,013 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@138c3c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:02, skipping insertion in model container [2024-09-25 00:30:02,013 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:02,015 INFO L158 Benchmark]: Toolchain (without parser) took 13579.55ms. Allocated memory is still 184.5MB. Free memory was 111.4MB in the beginning and 83.4MB in the end (delta: 28.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-25 00:30:02,015 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:02,015 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:02,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.12ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 97.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:02,016 INFO L158 Benchmark]: Boogie Preprocessor took 64.72ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:02,017 INFO L158 Benchmark]: RCFGBuilder took 485.69ms. Allocated memory is still 184.5MB. Free memory was 95.2MB in the beginning and 77.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:02,019 INFO L158 Benchmark]: Referee took 12657.09ms. Allocated memory is still 184.5MB. Free memory was 77.3MB in the beginning and 83.4MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:02,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.12ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 97.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.72ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.69ms. Allocated memory is still 184.5MB. Free memory was 95.2MB in the beginning and 77.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12657.09ms. Allocated memory is still 184.5MB. Free memory was 77.3MB in the beginning and 83.4MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:02,053 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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-6908dde-m [2024-09-25 00:30:04,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:04,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:04,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:04,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:04,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:04,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:04,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:04,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:04,415 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:04,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:04,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:04,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:04,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:04,418 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:04,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:04,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:04,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:04,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:04,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:04,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:04,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:04,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:04,421 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:04,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:04,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:04,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:04,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:04,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:04,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:04,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:04,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:04,424 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:04,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:04,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:04,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:04,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:04,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:04,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:04,427 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:04,427 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:04,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:04,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:04,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:04,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:04,429 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:04,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:04,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:04,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:04,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:04,780 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:04,781 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:04,783 INFO L431 ainManager$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 00:30:04,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:04,837 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:04,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 00:30:06,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:06,648 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:06,649 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-25 00:30:06,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/136524e1c/7562a78a4c6b469a8f103b10ae6e8ec4/FLAG74a135252 [2024-09-25 00:30:07,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/136524e1c/7562a78a4c6b469a8f103b10ae6e8ec4 [2024-09-25 00:30:07,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:07,049 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:07,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:07,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:07,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:07,056 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 12:30:04" (1/2) ... [2024-09-25 00:30:07,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1459f1b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:07, skipping insertion in model container [2024-09-25 00:30:07,062 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 12:30:04" (1/2) ... [2024-09-25 00:30:07,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@395402e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:07, skipping insertion in model container [2024-09-25 00:30:07,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:07" (2/2) ... [2024-09-25 00:30:07,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1459f1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07, skipping insertion in model container [2024-09-25 00:30:07,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:07" (2/2) ... [2024-09-25 00:30:07,073 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:07,074 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 00:30:07,074 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:07,074 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:30:07,074 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:07,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:07,287 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 00:30:07,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:07,332 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:07,374 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 00:30:07,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:07,411 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:07,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07 WrapperNode [2024-09-25 00:30:07,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:07,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:07,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:07,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:07,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,447 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 00:30:07,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:07,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:07,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:07,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:07,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (1/1) ... [2024-09-25 00:30:07,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:07,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:07,511 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 00:30:07,518 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 00:30:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:07,648 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:07,652 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:07,679 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:07,709 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:08,252 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:08,278 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:08,330 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:08,330 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:08,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:08 BoogieIcfgContainer [2024-09-25 00:30:08,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:08,335 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:08,335 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:08,336 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:08,337 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 12:30:04" (1/4) ... [2024-09-25 00:30:08,338 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fa49a61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:08, skipping insertion in model container [2024-09-25 00:30:08,338 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:07" (2/4) ... [2024-09-25 00:30:08,339 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fa49a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:08, skipping insertion in model container [2024-09-25 00:30:08,339 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:07" (3/4) ... [2024-09-25 00:30:08,339 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fa49a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:08, skipping insertion in model container [2024-09-25 00:30:08,339 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:08" (4/4) ... [2024-09-25 00:30:08,341 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-25 00:30:08,345 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:08,346 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 00:30:08,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:08,346 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 00:30:08,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:30:08,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:08,347 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 00:30:08,347 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 00:30:08,348 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 00:30:08,348 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 00:30:08,348 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 00:30:08,348 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:08,349 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 00:30:08,349 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 00:30:08,350 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:30:08,418 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:08,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,435 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:08,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,461 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 00:30:08,491 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:08,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,492 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,492 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,499 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:08,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,499 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,506 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:08,534 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:08,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,552 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:08,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,558 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,558 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:12,609 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:12,636 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:12,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:12,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:12,636 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:12,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:12,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,637 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:12,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:12,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:12,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:12,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:12,640 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:12,653 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:12,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:12,654 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:12,654 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:12,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:12,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,656 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:12,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:12,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:12,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:12,657 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:12,658 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:12,672 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:12,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:12,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:12,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:12,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:12,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,718 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:12,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:12,720 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:12,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:12,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:12,727 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:12,744 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:12,744 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:12,744 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:12,744 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:12,745 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:12,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,761 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:12,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:12,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:12,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:12,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,040 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:13,060 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:13,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,060 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,062 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:13,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,062 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,064 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:13,075 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:13,075 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,076 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,080 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:13,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,087 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:13,097 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:13,098 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,098 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,100 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:13,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,100 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,100 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,100 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,102 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:13,112 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:13,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,114 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:13,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,114 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,114 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,115 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,116 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:13,128 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:13,128 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,135 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:13,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,136 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,136 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,163 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:13,186 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:30:13,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,212 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:30:13,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,213 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,213 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,217 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:17,325 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:17,355 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:17,356 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fa49a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:17, skipping insertion in model container [2024-09-25 00:30:17,356 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:17,358 INFO L158 Benchmark]: Toolchain (without parser) took 10308.57ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 49.2MB in the end (delta: -1.2MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,358 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:17,359 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 54.5MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:17,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.68ms. Allocated memory is still 81.8MB. Free memory was 47.8MB in the beginning and 55.5MB in the end (delta: -7.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,359 INFO L158 Benchmark]: Boogie Preprocessor took 63.57ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,360 INFO L158 Benchmark]: RCFGBuilder took 853.55ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 36.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,360 INFO L158 Benchmark]: Referee took 9021.65ms. Allocated memory is still 81.8MB. Free memory was 36.7MB in the beginning and 49.2MB in the end (delta: -12.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,367 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. 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 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 loop head at line 36 to exit of procedure main. 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 25. 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. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.51ms. Allocated memory is still 54.5MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.68ms. Allocated memory is still 81.8MB. Free memory was 47.8MB in the beginning and 55.5MB in the end (delta: -7.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.57ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 853.55ms. Allocated memory is still 81.8MB. Free memory was 53.1MB in the beginning and 36.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 9021.65ms. Allocated memory is still 81.8MB. Free memory was 36.7MB in the beginning and 49.2MB in the end (delta: -12.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:17,415 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