./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:22,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:22,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:22,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:22,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:22,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:22,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:22,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:22,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:22,764 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:22,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:22,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:22,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:22,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:22,765 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:22,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:22,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:22,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:22,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:22,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:22,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:22,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:22,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:22,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:22,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:22,768 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:22,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:22,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:22,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:22,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:22,769 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:22,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:22,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:22,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:22,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:22,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:22,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:22,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:22,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:22,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:22,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:22,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:22,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:22,774 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:22,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:23,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:23,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:23,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:23,011 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:23,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 20:11:24,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:24,407 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:24,408 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 20:11:24,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1193bbf67/6cf87fae58b14836b02aa2d80a5e777d/FLAGd10c081de [2024-09-20 20:11:24,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1193bbf67/6cf87fae58b14836b02aa2d80a5e777d [2024-09-20 20:11:24,828 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:24,829 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:24,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-20 20:11:24,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:24,870 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:24,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:24,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:24,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:24,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:24" (1/2) ... [2024-09-20 20:11:24,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3dc240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24, skipping insertion in model container [2024-09-20 20:11:24,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:24" (1/2) ... [2024-09-20 20:11:24,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f3d7526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24, skipping insertion in model container [2024-09-20 20:11:24,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:24" (2/2) ... [2024-09-20 20:11:24,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3dc240 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:24, skipping insertion in model container [2024-09-20 20:11:24,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:24" (2/2) ... [2024-09-20 20:11:24,889 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:24,890 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 20:11:24,891 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:24,891 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:24,891 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:24,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:25,012 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2024-09-20 20:11:25,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:25,033 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:25,066 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:25,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:25,088 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:25,089 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25 WrapperNode [2024-09-20 20:11:25,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:25,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:25,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:25,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:25,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,132 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:11:25,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:25,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:25,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:25,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:25,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:25,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:25,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:11:25,198 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:11:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:25,298 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:25,299 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:25,320 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:25,347 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:25,511 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:25,529 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:25,554 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:25,554 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:25,555 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:25 BoogieIcfgContainer [2024-09-20 20:11:25,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:25,555 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:25,555 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:25,556 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:25,556 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:24" (1/4) ... [2024-09-20 20:11:25,556 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775d27af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,557 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:24" (2/4) ... [2024-09-20 20:11:25,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775d27af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,557 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25" (3/4) ... [2024-09-20 20:11:25,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775d27af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,557 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:25" (4/4) ... [2024-09-20 20:11:25,559 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-20 20:11:25,561 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:25,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:25,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:25,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:25,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:25,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:25,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:25,563 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 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 [2024-09-20 20:11:25,610 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:25,611 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,611 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,622 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:25,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:25,642 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:25,671 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:25,671 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,671 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,672 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,675 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:25,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,677 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:25,680 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:25,700 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:25,700 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,701 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,716 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:25,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,722 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:29,733 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:29,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,734 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:29,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,738 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:29,747 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:29,747 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,747 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,748 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,748 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:29,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,750 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:29,758 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:29,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,781 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:29,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,789 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:29,797 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:29,797 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,797 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,797 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,808 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:29,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,812 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,815 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:33,824 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:33,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,825 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,825 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,825 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:33,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,828 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:33,836 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:33,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,837 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,839 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:33,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,842 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:33,851 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:33,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,853 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:33,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,855 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:33,863 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:33,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,866 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:33,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,868 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:33,878 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:33,879 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,879 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,884 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:33,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,884 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,887 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:33,895 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:33,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,896 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,920 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:33,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,921 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,921 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,930 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:37,939 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:37,939 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775d27af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:37, skipping insertion in model container [2024-09-20 20:11:37,940 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:37,941 INFO L158 Benchmark]: Toolchain (without parser) took 13070.02ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 48.5MB in the end (delta: 46.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,941 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:37,941 INFO L158 Benchmark]: Witness Parser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:37,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.87ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 80.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,942 INFO L158 Benchmark]: Boogie Preprocessor took 51.01ms. Allocated memory is still 167.8MB. Free memory was 80.6MB in the beginning and 138.3MB in the end (delta: -57.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,942 INFO L158 Benchmark]: RCFGBuilder took 409.53ms. Allocated memory is still 167.8MB. Free memory was 138.3MB in the beginning and 120.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,942 INFO L158 Benchmark]: Referee took 12384.35ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 48.5MB in the end (delta: 71.9MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from 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 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.87ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 80.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.01ms. Allocated memory is still 167.8MB. Free memory was 80.6MB in the beginning and 138.3MB in the end (delta: -57.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 409.53ms. Allocated memory is still 167.8MB. Free memory was 138.3MB in the beginning and 120.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12384.35ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 48.5MB in the end (delta: 71.9MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:37,963 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:39,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:39,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:39,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:39,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:39,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:39,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:39,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:39,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:39,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:39,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:39,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:39,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:39,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:39,751 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:39,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:39,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:39,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:39,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:39,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:39,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:39,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:39,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:39,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:39,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:39,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:39,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:39,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:39,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:39,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:39,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:39,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:39,758 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:39,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:39,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:39,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:39,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:39,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:39,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:39,759 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:39,759 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:39,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:39,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:39,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:39,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:39,760 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:39,760 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:39,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:40,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:40,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:40,020 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:40,021 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:40,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-20 20:11:40,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:40,065 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:40,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 20:11:41,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:41,412 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:41,413 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 20:11:41,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0a80544af/59d5462428f44a998adb999cdc84b1f8/FLAG688fe046a [2024-09-20 20:11:41,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0a80544af/59d5462428f44a998adb999cdc84b1f8 [2024-09-20 20:11:41,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:41,828 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:41,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:41,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:41,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:41,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:40" (1/2) ... [2024-09-20 20:11:41,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475fe69f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:40" (1/2) ... [2024-09-20 20:11:41,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a151f5e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475fe69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,844 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:41,845 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 20:11:41,845 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:41,845 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:41,845 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:41,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:41,984 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2024-09-20 20:11:42,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:42,010 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:42,042 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:42,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:42,068 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:42,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42 WrapperNode [2024-09-20 20:11:42,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:42,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:42,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:42,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:42,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,087 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,095 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:11:42,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:42,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:42,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:42,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:42,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (1/1) ... [2024-09-20 20:11:42,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:42,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:11:42,146 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:11:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:42,231 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:42,233 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:42,251 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:42,283 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:42,620 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:42,631 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:42,663 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:42,663 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:42,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42 BoogieIcfgContainer [2024-09-20 20:11:42,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:42,664 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:42,664 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:42,665 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:42,665 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:40" (1/4) ... [2024-09-20 20:11:42,665 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20710c5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,665 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:41" (2/4) ... [2024-09-20 20:11:42,665 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20710c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,665 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:42" (3/4) ... [2024-09-20 20:11:42,665 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20710c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,666 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42" (4/4) ... [2024-09-20 20:11:42,666 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-20 20:11:42,669 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:42,669 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:42,670 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:42,670 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:42,670 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:42,670 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,670 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:11:42,671 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:42,671 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,671 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:42,671 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,671 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:42,672 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:42,672 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:42,672 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:11:42,715 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:42,716 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,716 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,717 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,729 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:42,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,730 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,730 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,730 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,733 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,747 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:42,770 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:42,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,775 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:42,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,779 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:42,800 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:42,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,808 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:42,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,808 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,808 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,808 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,848 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:46,871 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:46,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,873 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:46,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,881 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:46,896 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:46,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,896 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,899 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:46,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,902 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:46,915 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:46,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,916 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,916 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,947 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:46,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,949 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,950 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:46,963 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:46,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,978 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:46,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,015 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:51,034 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:51,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,035 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,036 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:51,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,038 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:51,049 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:51,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,050 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,052 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:51,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,054 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,054 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,054 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,056 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:51,065 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:51,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,066 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,067 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:51,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,069 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:51,075 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:51,075 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,075 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,075 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,077 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:51,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,078 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,079 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:51,086 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:51,087 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,087 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,095 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:51,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,095 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:55,116 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:55,130 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:55,130 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:55,130 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:55,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:55,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:55,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:55,148 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:55,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:55,148 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:55,148 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:55,148 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:55,152 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:59,235 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:59,263 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:59,263 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20710c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:59, skipping insertion in model container [2024-09-20 20:11:59,263 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:59,265 INFO L158 Benchmark]: Toolchain (without parser) took 17435.82ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 36.2MB in the beginning and 50.3MB in the end (delta: -14.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,265 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:59,266 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 64.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:59,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.36ms. Allocated memory is still 69.2MB. Free memory was 36.0MB in the beginning and 39.5MB in the end (delta: -3.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,266 INFO L158 Benchmark]: Boogie Preprocessor took 48.86ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,267 INFO L158 Benchmark]: RCFGBuilder took 544.39ms. Allocated memory is still 69.2MB. Free memory was 37.3MB in the beginning and 39.7MB in the end (delta: -2.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,268 INFO L158 Benchmark]: Referee took 16599.57ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 50.3MB in the end (delta: -10.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,269 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 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 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __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 main to check that procedure precondition always holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.70ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 64.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.36ms. Allocated memory is still 69.2MB. Free memory was 36.0MB in the beginning and 39.5MB in the end (delta: -3.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.86ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.39ms. Allocated memory is still 69.2MB. Free memory was 37.3MB in the beginning and 39.7MB in the end (delta: -2.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Referee took 16599.57ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 50.3MB in the end (delta: -10.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:59,308 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN