./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:44,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:44,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:44,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:44,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:44,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:44,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:44,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:44,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:44,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:44,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:44,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:44,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:44,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:44,584 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:44,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:44,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:44,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:44,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:44,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:44,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:44,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:44,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:44,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:44,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:44,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:44,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:44,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:44,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:44,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:44,589 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:44,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:44,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:44,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:44,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:44,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:44,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:44,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:44,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:44,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:44,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:44,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:44,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:44,592 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:44,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:44,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:44,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:44,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:44,878 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:44,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 00:29:46,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:46,535 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:46,536 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 00:29:46,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a025e9035/238b6db4ab704cd1a6036fef0f0eb3c0/FLAGf776db07a [2024-09-25 00:29:46,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a025e9035/238b6db4ab704cd1a6036fef0f0eb3c0 [2024-09-25 00:29:46,926 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:46,927 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:46,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-25 00:29:46,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:46,982 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:46,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:46,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:46,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:46,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:46" (1/2) ... [2024-09-25 00:29:46,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc21521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:46" (1/2) ... [2024-09-25 00:29:46,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e49c8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,995 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" (2/2) ... [2024-09-25 00:29:46,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc21521 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,996 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" (2/2) ... [2024-09-25 00:29:47,004 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:47,005 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 00:29:47,005 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:47,005 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:47,005 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:47,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:47,210 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-25 00:29:47,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:47,249 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:47,292 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:29:47,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:47,331 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:47,332 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47 WrapperNode [2024-09-25 00:29:47,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:47,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:47,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:47,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:47,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,377 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 00:29:47,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:47,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:47,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:47,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:47,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (1/1) ... [2024-09-25 00:29:47,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:47,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:47,447 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 00:29:47,450 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 00:29:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:47,596 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:47,601 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:47,631 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:47,690 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:47,923 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:47,942 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:47,972 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:47,973 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:47,973 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:47 BoogieIcfgContainer [2024-09-25 00:29:47,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:47,974 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:47,974 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:47,975 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:47,975 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:46" (1/4) ... [2024-09-25 00:29:47,976 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@268e7673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:47, skipping insertion in model container [2024-09-25 00:29:47,976 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" (2/4) ... [2024-09-25 00:29:47,976 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@268e7673 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:47, skipping insertion in model container [2024-09-25 00:29:47,976 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:47" (3/4) ... [2024-09-25 00:29:47,977 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@268e7673 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:47, skipping insertion in model container [2024-09-25 00:29:47,977 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:47" (4/4) ... [2024-09-25 00:29:47,980 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-25 00:29:47,984 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:47,985 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 00:29:47,985 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:47,985 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 00:29:47,986 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:47,986 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:47,986 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 00:29:47,986 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 00:29:47,986 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 00:29:47,986 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 00:29:47,986 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 00:29:47,987 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:47,987 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 00:29:47,987 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 00:29:47,987 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, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-25 00:29:48,037 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:48,039 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:48,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:48,040 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:48,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:48,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:48,053 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:48,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:48,054 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:48,054 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:48,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:48,058 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:48,080 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 00:29:48,100 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:48,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:48,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:48,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:48,101 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:48,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:48,104 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:48,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:48,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:48,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:48,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:48,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:48,106 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:48,137 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:48,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:48,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:48,137 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:48,137 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:48,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:48,154 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:48,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:48,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:48,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:48,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:48,159 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:52,163 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:52,186 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:52,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:52,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:52,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:52,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:52,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,188 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:52,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:52,189 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:52,189 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:52,189 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:52,192 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:52,203 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:52,203 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:52,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:52,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:52,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:52,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,205 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:52,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:52,205 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:52,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:52,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:52,207 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:52,225 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:29:52,226 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:52,226 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:52,226 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:52,226 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:52,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,255 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:29:52,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:52,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:52,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:52,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:52,258 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:52,269 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:52,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:52,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:52,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:52,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:52,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,287 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:52,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:52,287 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:52,288 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:52,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:52,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,297 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:56,315 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:56,315 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,315 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,316 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:56,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,317 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,317 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,317 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,319 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:56,329 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:56,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,330 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,332 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:56,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,333 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,333 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,334 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,335 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:56,346 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:56,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,349 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:56,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,350 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,351 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:56,362 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:56,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,365 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:56,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,366 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,368 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:56,381 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:56,381 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,382 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,388 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:56,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,392 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:56,404 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:56,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,405 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,441 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:56,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,453 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,453 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:00,467 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:00,476 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:00,478 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@268e7673 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:00, skipping insertion in model container [2024-09-25 00:30:00,478 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:00,480 INFO L158 Benchmark]: Toolchain (without parser) took 13497.07ms. Allocated memory is still 190.8MB. Free memory was 120.7MB in the beginning and 158.2MB in the end (delta: -37.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,481 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:00,481 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 190.8MB. Free memory was 122.7MB in the beginning and 122.5MB in the end (delta: 230.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:00,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.37ms. Allocated memory is still 190.8MB. Free memory was 120.4MB in the beginning and 106.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,483 INFO L158 Benchmark]: Boogie Preprocessor took 68.81ms. Allocated memory is still 190.8MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,484 INFO L158 Benchmark]: RCFGBuilder took 570.77ms. Allocated memory is still 190.8MB. Free memory was 104.5MB in the beginning and 150.3MB in the end (delta: -45.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,485 INFO L158 Benchmark]: Referee took 12504.31ms. Allocated memory is still 190.8MB. Free memory was 150.3MB in the beginning and 158.2MB in the end (delta: -7.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure 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 25. 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 main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 190.8MB. Free memory was 122.7MB in the beginning and 122.5MB in the end (delta: 230.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.37ms. Allocated memory is still 190.8MB. Free memory was 120.4MB in the beginning and 106.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.81ms. Allocated memory is still 190.8MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.77ms. Allocated memory is still 190.8MB. Free memory was 104.5MB in the beginning and 150.3MB in the end (delta: -45.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12504.31ms. Allocated memory is still 190.8MB. Free memory was 150.3MB in the beginning and 158.2MB in the end (delta: -7.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:00,521 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_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:02,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:02,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:02,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:02,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:02,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:02,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:02,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:02,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:02,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:02,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:02,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:02,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:02,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:02,780 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:02,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:02,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:02,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:02,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:02,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:02,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:02,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:02,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:02,782 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:02,783 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:02,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:02,783 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:02,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:02,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:02,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:02,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:02,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:02,785 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:02,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:02,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:02,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:02,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:02,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:02,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:02,793 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:02,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:02,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:02,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:02,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:02,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:02,795 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:02,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:03,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:03,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:03,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:03,123 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:03,124 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:03,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-25 00:30:03,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:03,176 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:03,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 00:30:04,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:04,907 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:04,910 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 00:30:04,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fe440af85/39d273617161486bb1a2d7093fd65102/FLAG46a2b4e34 [2024-09-25 00:30:04,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fe440af85/39d273617161486bb1a2d7093fd65102 [2024-09-25 00:30:04,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:04,943 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:04,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:04,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:04,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:04,951 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 12:30:03" (1/2) ... [2024-09-25 00:30:04,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a360977 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,956 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 12:30:03" (1/2) ... [2024-09-25 00:30:04,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55cbdce7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:04" (2/2) ... [2024-09-25 00:30:04,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a360977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:04" (2/2) ... [2024-09-25 00:30:04,968 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:04,969 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 00:30:04,969 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:30:04,969 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:04,969 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:04,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:05,146 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-25 00:30:05,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:05,183 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:05,226 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:30:05,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:05,276 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:05,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05 WrapperNode [2024-09-25 00:30:05,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:05,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:05,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:05,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:05,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,311 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 00:30:05,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:05,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:05,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:05,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:05,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:05,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:05,373 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 00:30:05,380 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 00:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:05,513 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:05,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:05,537 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:05,566 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:06,011 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:06,026 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:06,066 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:06,067 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:06,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:06 BoogieIcfgContainer [2024-09-25 00:30:06,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:06,068 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:06,068 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:06,069 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:06,069 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 12:30:03" (1/4) ... [2024-09-25 00:30:06,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79060a62 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:04" (2/4) ... [2024-09-25 00:30:06,070 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79060a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05" (3/4) ... [2024-09-25 00:30:06,070 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79060a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:06" (4/4) ... [2024-09-25 00:30:06,071 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-25 00:30:06,075 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:06,078 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 00:30:06,079 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:06,079 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 00:30:06,080 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:30:06,080 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:06,082 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 00:30:06,082 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 00:30:06,082 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 00:30:06,082 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 00:30:06,082 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 00:30:06,083 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:06,083 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 00:30:06,083 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 00:30:06,083 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:30:06,144 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:06,145 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,146 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,146 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,147 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,158 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:06,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,183 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 00:30:06,216 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:06,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,217 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,217 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,221 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:06,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,226 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:06,250 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:06,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,251 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,251 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,260 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:06,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,261 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,302 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:10,342 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:10,343 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,343 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,344 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:10,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,344 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,344 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,344 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,345 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,347 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:10,371 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:10,371 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,372 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,373 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:10,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,373 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,375 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:10,388 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:10,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,417 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:10,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,419 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,423 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:10,434 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:10,434 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,434 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,435 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,435 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,446 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:10,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:14,502 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:14,530 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:14,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:14,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:14,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:14,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:14,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,533 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:14,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:14,534 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:14,534 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:14,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:14,539 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:14,555 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:14,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:14,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:14,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:14,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:14,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,558 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:14,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,559 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:14,559 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:14,560 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:14,560 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:14,562 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:14,572 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:14,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:14,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:14,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:14,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:14,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,576 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:14,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:14,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:14,576 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:14,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:14,578 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:14,587 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:14,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:14,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:14,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:14,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:14,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,589 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:14,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,590 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:14,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:14,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:14,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:14,592 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:14,604 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:14,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:14,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:14,604 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:14,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:14,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,610 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:14,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:14,611 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:14,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:14,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:14,612 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:18,637 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:18,653 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:30:18,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:18,654 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:18,654 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:18,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:18,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:18,682 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:30:18,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:18,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:18,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:18,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:18,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:22,804 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:22,832 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:22,832 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79060a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:22, skipping insertion in model container [2024-09-25 00:30:22,832 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:22,834 INFO L158 Benchmark]: Toolchain (without parser) took 17890.59ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 45.4MB in the end (delta: -10.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-09-25 00:30:22,834 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 41.9MB. Free memory was 25.6MB in the beginning and 25.6MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:22,835 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 41.9MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:22,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.49ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 34.9MB in the beginning and 50.9MB in the end (delta: -16.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:22,836 INFO L158 Benchmark]: Boogie Preprocessor took 63.09ms. Allocated memory is still 71.3MB. Free memory was 50.9MB in the beginning and 48.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:22,837 INFO L158 Benchmark]: RCFGBuilder took 725.68ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 32.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:22,837 INFO L158 Benchmark]: Referee took 16764.39ms. Allocated memory is still 71.3MB. Free memory was 32.4MB in the beginning and 45.4MB in the end (delta: -13.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:22,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main 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 loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.34ms. Allocated memory is still 41.9MB. Free memory was 25.6MB in the beginning and 25.6MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 41.9MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.49ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 34.9MB in the beginning and 50.9MB in the end (delta: -16.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.09ms. Allocated memory is still 71.3MB. Free memory was 50.9MB in the beginning and 48.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.68ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 32.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 16764.39ms. Allocated memory is still 71.3MB. Free memory was 32.4MB in the beginning and 45.4MB in the end (delta: -13.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:22,884 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