./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:50:47,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:47,312 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:50:47,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:47,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:47,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:47,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:47,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:47,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:47,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:47,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:47,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:47,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:47,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:47,360 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:47,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:47,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:47,360 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:47,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:50:47,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:47,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:47,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:47,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:47,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:47,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:47,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:47,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:47,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:47,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:47,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:47,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:47,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:47,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:47,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:47,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:47,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:47,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:50:47,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:50:47,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:47,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:47,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:47,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:47,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:50:47,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:50:47,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:50:47,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:50:47,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:50:47,648 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:50:47,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-12 16:50:49,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:50:49,405 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:50:49,405 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-12 16:50:49,416 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1e4fc8375/59c4d783ef1941c5b32e756dd55f4d98/FLAG3fdadb2c2 [2024-09-12 16:50:49,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1e4fc8375/59c4d783ef1941c5b32e756dd55f4d98 [2024-09-12 16:50:49,441 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:50:49,446 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:50:49,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-12 16:50:49,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:50:49,493 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:50:49,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:49,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:50:49,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:50:49,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:49" (1/2) ... [2024-09-12 16:50:49,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d5b9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:49, skipping insertion in model container [2024-09-12 16:50:49,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:49" (1/2) ... [2024-09-12 16:50:49,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23cc8fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:49, skipping insertion in model container [2024-09-12 16:50:49,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:49" (2/2) ... [2024-09-12 16:50:49,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d5b9ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:49, skipping insertion in model container [2024-09-12 16:50:49,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:49" (2/2) ... [2024-09-12 16:50:49,508 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:50:49,510 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-12 16:50:49,510 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:50:49,510 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:50:49,510 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:50:49,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:50:49,631 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-09-12 16:50:49,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:49,658 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:50:49,685 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-12 16:50:49,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:49,704 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:50:49,704 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:49 WrapperNode [2024-09-12 16:50:49,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:49,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:50:49,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:50:49,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:50:49,715 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,716 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,720 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,727 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 [2024-09-12 16:50:49,728 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,728 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,731 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,733 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,735 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,735 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:50:49,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:50:49,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:50:49,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:50:49,738 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 12.09 04:50:49" (1/1) ... [2024-09-12 16:50:49,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:50:49,771 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) [2024-09-12 16:50:49,773 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 [2024-09-12 16:50:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:50:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:50:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:50:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:50:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:50:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:50:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:50:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:50:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:50:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:50:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:50:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:50:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:50:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:50:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:50:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:50:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:50:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:50:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:50:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:50:49,873 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:50:49,876 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:50:49,894 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:49,917 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:50,029 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:50,066 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 16:50:50,066 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:50:50,108 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:50:50,108 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:50:50,108 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:50 BoogieIcfgContainer [2024-09-12 16:50:50,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:50:50,109 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:50:50,109 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:50:50,110 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:50:50,110 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:50:49" (1/4) ... [2024-09-12 16:50:50,110 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37c0588e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:50, skipping insertion in model container [2024-09-12 16:50:50,110 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:49" (2/4) ... [2024-09-12 16:50:50,110 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37c0588e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:50, skipping insertion in model container [2024-09-12 16:50:50,111 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 12.09 04:50:49" (3/4) ... [2024-09-12 16:50:50,111 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37c0588e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:50, skipping insertion in model container [2024-09-12 16:50:50,111 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:50" (4/4) ... [2024-09-12 16:50:50,112 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-12 16:50:50,114 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:50:50,115 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:50,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:50,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:50,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:50:50,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:50,122 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 16:50:50,122 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:50:50,122 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:50,122 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:50,123 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:50,123 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:50,123 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:50:50,123 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:50:50,123 INFO L130 InvariantChecker]: Will check 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, 3 loop-free subgraphs from loop head to error location [2024-09-12 16:50:50,191 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:50:50,192 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:50,192 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:50,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:50,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:50,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:50,202 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:50:50,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:50,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:50,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:50,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:50,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:50,227 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:50,264 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:50,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:50,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:50,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:50,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:50,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:50,272 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:50,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:50,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:50,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:50,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:50,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:50,274 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:50,298 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:50,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:50,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:50,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:50,298 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:50,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:50,316 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:50,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:50,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:50,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:50,316 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:50,317 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:54,326 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:50:54,355 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:50:54,361 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:54,361 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:54,361 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:54,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:54,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,362 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:50:54,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:54,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:54,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:54,363 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:54,368 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:54,377 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:54,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:54,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:54,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:54,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:54,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,379 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:54,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:54,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:54,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:54,379 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:54,380 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:54,389 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 16:50:54,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:54,389 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:54,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:54,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:54,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,410 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-12 16:50:54,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:54,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:54,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:54,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:54,413 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:54,420 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:50:54,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:54,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:54,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:54,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:54,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,432 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:50:54,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:54,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:54,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:54,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:54,436 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:58,439 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:50:58,457 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:58,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:58,457 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:58,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:58,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:58,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,463 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:58,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:58,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:58,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:58,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:58,465 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:58,474 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:50:58,475 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:58,475 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:58,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:58,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:58,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,484 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:50:58,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:58,484 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:58,484 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:58,484 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:58,487 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:58,494 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:58,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:58,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:58,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:58,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:58,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,496 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:58,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:58,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:58,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:58,496 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:58,497 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:58,504 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:58,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:58,505 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:58,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:58,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:58,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,507 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:58,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:58,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:58,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:58,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:58,511 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:58,520 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:50:58,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:58,520 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:58,521 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:58,521 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:58,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,526 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:50:58,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:58,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:58,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:58,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:58,528 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:58,535 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 16:50:58,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:58,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:58,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:58,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:58,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,562 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 16:50:58,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:58,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:58,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:58,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:58,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:02,576 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:51:02,581 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:51:02,582 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37c0588e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:51:02, skipping insertion in model container [2024-09-12 16:51:02,582 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:51:02,583 INFO L158 Benchmark]: Toolchain (without parser) took 13089.12ms. Allocated memory is still 228.6MB. Free memory was 156.0MB in the beginning and 123.5MB in the end (delta: 32.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-09-12 16:51:02,587 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 125.8MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:02,587 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 228.6MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:02,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.38ms. Allocated memory is still 228.6MB. Free memory was 155.7MB in the beginning and 142.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:51:02,588 INFO L158 Benchmark]: Boogie Preprocessor took 31.64ms. Allocated memory is still 228.6MB. Free memory was 142.0MB in the beginning and 139.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:51:02,588 INFO L158 Benchmark]: RCFGBuilder took 371.28ms. Allocated memory is still 228.6MB. Free memory was 139.6MB in the beginning and 197.4MB in the end (delta: -57.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-09-12 16:51:02,589 INFO L158 Benchmark]: Referee took 12472.83ms. Allocated memory is still 228.6MB. Free memory was 197.4MB in the beginning and 123.5MB in the end (delta: 73.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-12 16:51:02,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __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. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 125.8MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 228.6MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.38ms. Allocated memory is still 228.6MB. Free memory was 155.7MB in the beginning and 142.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.64ms. Allocated memory is still 228.6MB. Free memory was 142.0MB in the beginning and 139.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.28ms. Allocated memory is still 228.6MB. Free memory was 139.6MB in the beginning and 197.4MB in the end (delta: -57.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Referee took 12472.83ms. Allocated memory is still 228.6MB. Free memory was 197.4MB in the beginning and 123.5MB in the end (delta: 73.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:51:02,620 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:51:04,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:51:04,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:51:04,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:51:04,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:51:04,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:51:04,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:51:04,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:51:04,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:51:04,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:51:04,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:51:04,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:51:04,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:51:04,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:51:04,648 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:51:04,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:51:04,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:51:04,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:51:04,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:51:04,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:51:04,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:51:04,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:51:04,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:51:04,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:51:04,652 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:51:04,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:51:04,652 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:51:04,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:51:04,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:51:04,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:51:04,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:51:04,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:51:04,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:51:04,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:51:04,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:51:04,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:51:04,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:51:04,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:51:04,655 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:51:04,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:51:04,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:51:04,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:51:04,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:51:04,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:51:04,657 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:51:04,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:51:04,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:51:04,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:51:04,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:51:04,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:51:04,913 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:51:04,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-12 16:51:06,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:51:06,418 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:51:06,419 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-12 16:51:06,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dc44d3b01/281fe757650a45ba822312f5c68b8e3f/FLAGc262997af [2024-09-12 16:51:06,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dc44d3b01/281fe757650a45ba822312f5c68b8e3f [2024-09-12 16:51:06,836 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:51:06,841 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:51:06,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-12 16:51:06,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:51:06,937 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:51:06,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:51:06,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:51:06,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:51:06,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:51:06" (1/2) ... [2024-09-12 16:51:06,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2740621b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:51:06, skipping insertion in model container [2024-09-12 16:51:06,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:51:06" (1/2) ... [2024-09-12 16:51:06,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70ead673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:51:06, skipping insertion in model container [2024-09-12 16:51:06,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:06" (2/2) ... [2024-09-12 16:51:06,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2740621b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:51:06, skipping insertion in model container [2024-09-12 16:51:06,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:06" (2/2) ... [2024-09-12 16:51:06,966 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:51:06,973 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-12 16:51:06,973 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:51:06,973 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:51:06,973 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:51:07,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:51:07,146 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-09-12 16:51:07,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:51:07,175 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:51:07,206 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-12 16:51:07,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:51:07,235 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:51:07,235 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:51:07 WrapperNode [2024-09-12 16:51:07,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:51:07,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:51:07,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:51:07,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:51:07,248 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,248 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,255 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,262 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 [2024-09-12 16:51:07,265 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,265 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,272 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,275 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,279 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,280 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:51:07,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:51:07,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:51:07,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:51:07,283 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 12.09 04:51:07" (1/1) ... [2024-09-12 16:51:07,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:51:07,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:51:07,306 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) [2024-09-12 16:51:07,315 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 [2024-09-12 16:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:51:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:51:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:51:07,414 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:51:07,417 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:51:07,438 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:51:07,463 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:51:07,756 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:51:07,786 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 16:51:07,787 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:51:07,810 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:51:07,814 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:51:07,814 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:51:07 BoogieIcfgContainer [2024-09-12 16:51:07,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:51:07,815 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:51:07,815 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:51:07,816 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:51:07,816 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:51:06" (1/4) ... [2024-09-12 16:51:07,816 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f27462b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:51:07, skipping insertion in model container [2024-09-12 16:51:07,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:51:06" (2/4) ... [2024-09-12 16:51:07,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f27462b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:51:07, skipping insertion in model container [2024-09-12 16:51:07,817 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 12.09 04:51:07" (3/4) ... [2024-09-12 16:51:07,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f27462b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:51:07, skipping insertion in model container [2024-09-12 16:51:07,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:51:07" (4/4) ... [2024-09-12 16:51:07,818 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-12 16:51:07,821 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:51:07,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:51:07,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:51:07,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:51:07,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:51:07,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:51:07,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 16:51:07,823 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:51:07,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:51:07,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:51:07,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:51:07,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:51:07,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:51:07,824 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:51:07,824 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-12 16:51:07,857 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:51:07,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:07,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:07,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:07,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:07,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:07,868 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:51:07,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:07,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:07,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:07,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:07,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:07,889 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:51:07,918 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:51:07,918 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:07,919 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:07,919 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:07,919 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:07,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:07,924 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:51:07,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:07,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:07,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:07,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:07,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:07,929 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:07,953 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:51:07,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:07,953 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:07,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:07,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:07,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:07,966 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:51:07,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:07,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:07,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:07,967 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:07,967 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:11,984 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:51:12,004 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:51:12,004 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:12,005 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:12,005 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:12,005 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:12,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,006 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:51:12,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,006 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:12,006 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:12,006 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:12,006 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:12,008 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:12,021 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:51:12,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:12,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:12,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:12,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:12,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,023 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:51:12,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:12,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:12,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:12,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:12,025 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:12,036 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 16:51:12,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:12,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:12,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:12,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:12,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,058 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-12 16:51:12,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,058 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:12,059 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:12,059 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:12,060 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:12,061 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:51:12,082 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:51:12,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:12,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:12,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:12,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:12,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,090 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:51:12,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:12,090 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:12,090 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:12,090 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:12,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:16,110 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:51:16,124 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:51:16,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:16,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:16,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:16,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:16,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,125 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:51:16,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:16,126 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:16,126 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:16,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:16,127 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:16,132 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:51:16,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:16,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:16,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:16,133 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:16,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,134 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:51:16,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:16,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:16,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:16,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:16,136 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:51:16,141 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:51:16,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:16,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:16,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:16,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:16,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,143 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:51:16,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:16,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:16,144 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:16,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:16,145 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:51:16,150 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:51:16,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:16,150 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:16,150 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:16,150 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:16,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,153 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:51:16,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,153 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:16,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:16,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:16,154 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:16,155 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:51:16,160 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:51:16,160 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:16,160 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:16,160 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:16,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:16,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,164 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:51:16,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:16,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:16,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:16,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:16,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:20,176 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:51:20,187 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 16:51:20,188 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:51:20,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:51:20,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:51:20,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:51:20,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:20,199 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 16:51:20,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:51:20,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:51:20,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:51:20,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:51:20,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:51:20,215 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:51:20,221 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:51:20,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f27462b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:51:20, skipping insertion in model container [2024-09-12 16:51:20,222 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:51:20,223 INFO L158 Benchmark]: Toolchain (without parser) took 13286.06ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 38.8MB in the beginning and 82.7MB in the end (delta: -43.9MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-09-12 16:51:20,224 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 79.7MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:20,224 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 79.7MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:51:20,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.71ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 48.0MB in the end (delta: -9.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-09-12 16:51:20,225 INFO L158 Benchmark]: Boogie Preprocessor took 45.23ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:51:20,225 INFO L158 Benchmark]: RCFGBuilder took 532.23ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 45.7MB in the beginning and 114.1MB in the end (delta: -68.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:51:20,225 INFO L158 Benchmark]: Referee took 12407.02ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 82.7MB in the end (delta: 31.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-09-12 16:51:20,227 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 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 check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 79.7MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 79.7MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.71ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 48.0MB in the end (delta: -9.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.23ms. Allocated memory is still 79.7MB. Free memory was 48.0MB in the beginning and 45.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.23ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 45.7MB in the beginning and 114.1MB in the end (delta: -68.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12407.02ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 82.7MB in the end (delta: 31.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:51:20,260 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN