./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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-27b4987-m [2024-09-21 12:49:50,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:50,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:50,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:50,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:50,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:50,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:50,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:50,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:50,204 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:50,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:50,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:50,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:50,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:50,206 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:50,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:50,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:50,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:50,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:50,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:50,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:50,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:50,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:50,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:50,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:50,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:50,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:50,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:50,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:50,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:50,212 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:50,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:50,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:50,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:50,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:50,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:50,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:50,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:50,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:50,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:50,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:50,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:50,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:50,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:50,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:50,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:50,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:50,526 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:50,527 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:50,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-21 12:49:50,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:50,585 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:50,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-21 12:49:52,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:52,177 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:52,177 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-21 12:49:52,184 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d67d0f788/57b1ae7e29ae41f98a250789931c3d9f/FLAG33c23d8ea [2024-09-21 12:49:52,196 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d67d0f788/57b1ae7e29ae41f98a250789931c3d9f [2024-09-21 12:49:52,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:52,198 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:52,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:52,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:52,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:52,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:50" (1/2) ... [2024-09-21 12:49:52,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4267463a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:52, skipping insertion in model container [2024-09-21 12:49:52,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:50" (1/2) ... [2024-09-21 12:49:52,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@896ff49 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:52, skipping insertion in model container [2024-09-21 12:49:52,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:52" (2/2) ... [2024-09-21 12:49:52,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4267463a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52, skipping insertion in model container [2024-09-21 12:49:52,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:52" (2/2) ... [2024-09-21 12:49:52,220 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:52,220 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)) [2024-09-21 12:49:52,221 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:49:52,221 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:52,221 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:52,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:52,402 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_unwindbound10.c[537,550] [2024-09-21 12:49:52,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:52,439 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:52,470 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_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:49:52,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:52,497 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:52,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52 WrapperNode [2024-09-21 12:49:52,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:52,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:52,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:52,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:52,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,543 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 [2024-09-21 12:49:52,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:52,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:52,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:52,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:52,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (1/1) ... [2024-09-21 12:49:52,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:52,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:52,603 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) [2024-09-21 12:49:52,609 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 [2024-09-21 12:49:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:52,729 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:52,732 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:52,762 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:52,788 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:53,021 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:53,042 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:53,066 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:53,067 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:53,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:53 BoogieIcfgContainer [2024-09-21 12:49:53,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:53,068 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:53,068 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:53,069 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:53,069 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:50" (1/4) ... [2024-09-21 12:49:53,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1304483 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:53, skipping insertion in model container [2024-09-21 12:49:53,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:52" (2/4) ... [2024-09-21 12:49:53,070 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1304483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:53, skipping insertion in model container [2024-09-21 12:49:53,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:52" (3/4) ... [2024-09-21 12:49:53,070 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1304483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:53, skipping insertion in model container [2024-09-21 12:49:53,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:53" (4/4) ... [2024-09-21 12:49:53,072 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-21 12:49:53,077 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:53,078 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:53,079 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:53,079 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:53,079 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:53,079 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:53,079 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:53,080 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:53,080 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:53,080 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:53,080 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:53,080 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:53,081 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:53,081 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:53,081 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:49:53,166 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:53,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:53,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:53,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:53,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:53,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:53,191 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:53,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:53,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:53,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:53,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:53,233 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:53,272 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:53,315 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:53,315 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:53,316 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:53,316 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:53,316 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:53,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:53,318 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:53,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:53,318 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:53,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:53,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:53,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:53,321 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:53,341 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:53,343 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:53,343 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:53,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:53,344 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:53,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:53,363 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:53,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:53,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:53,364 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:53,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:53,365 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:57,376 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:57,393 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:57,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:57,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:57,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:57,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:57,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,399 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:57,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:57,399 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:57,399 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:57,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:57,405 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:57,425 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:57,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:57,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:57,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:57,427 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:57,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,429 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:57,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:57,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:57,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:57,431 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:57,433 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:57,450 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:57,451 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:57,451 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:57,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:57,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:57,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,488 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:57,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:57,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:57,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:57,490 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:57,494 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:57,507 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:57,508 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:57,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:57,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:57,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:57,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,529 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:57,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,530 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:57,531 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:57,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:57,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,540 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:01,553 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:01,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,553 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,554 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:01,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,559 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:01,569 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:01,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,572 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:01,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,572 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,572 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,572 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,575 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:01,584 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:01,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,586 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:01,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,586 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,587 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,588 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:01,598 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:01,598 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,599 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,599 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,599 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,602 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:01,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,605 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:01,615 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:01,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,624 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:01,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,628 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:01,639 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:01,639 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,642 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,642 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,676 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:01,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:05,692 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:05,698 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:05,699 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1304483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:05, skipping insertion in model container [2024-09-21 12:50:05,699 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:05,700 INFO L158 Benchmark]: Toolchain (without parser) took 13501.62ms. Allocated memory is still 151.0MB. Free memory was 113.5MB in the beginning and 52.9MB in the end (delta: 60.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:05,700 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:05,701 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 84.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:05,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.37ms. Allocated memory is still 151.0MB. Free memory was 112.7MB in the beginning and 98.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:05,702 INFO L158 Benchmark]: Boogie Preprocessor took 68.71ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:05,702 INFO L158 Benchmark]: RCFGBuilder took 499.08ms. Allocated memory is still 151.0MB. Free memory was 96.7MB in the beginning and 79.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:05,703 INFO L158 Benchmark]: Referee took 12631.20ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 52.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:05,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 84.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.37ms. Allocated memory is still 151.0MB. Free memory was 112.7MB in the beginning and 98.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.71ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.08ms. Allocated memory is still 151.0MB. Free memory was 96.7MB in the beginning and 79.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12631.20ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 52.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:05,728 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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-27b4987-m [2024-09-21 12:50:07,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:07,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:07,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:07,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:07,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:07,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:07,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:07,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:07,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:07,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:07,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:07,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:07,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:07,960 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:07,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:07,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:07,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:07,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:07,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:07,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:07,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:07,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:07,965 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:07,966 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:07,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:07,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:07,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:07,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:07,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:07,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:07,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:07,968 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:07,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:07,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:07,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:07,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:07,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:07,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:07,971 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:07,972 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:07,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:07,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:07,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:07,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:07,973 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:07,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:08,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:08,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:08,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:08,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:08,285 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:08,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-21 12:50:09,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:10,011 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:10,012 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-21 12:50:10,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a09679ff4/faf034a1d7fa47ff8ef784ed3b00fd1b/FLAGbdff71443 [2024-09-21 12:50:10,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a09679ff4/faf034a1d7fa47ff8ef784ed3b00fd1b [2024-09-21 12:50:10,396 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:10,397 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:10,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-21 12:50:10,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:10,449 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:10,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:10,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:10,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:10,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:10" (1/2) ... [2024-09-21 12:50:10,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66277b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10, skipping insertion in model container [2024-09-21 12:50:10,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:10" (1/2) ... [2024-09-21 12:50:10,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a4b28c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10, skipping insertion in model container [2024-09-21 12:50:10,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:10" (2/2) ... [2024-09-21 12:50:10,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66277b10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:10, skipping insertion in model container [2024-09-21 12:50:10,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:10" (2/2) ... [2024-09-21 12:50:10,469 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:10,470 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)) [2024-09-21 12:50:10,470 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:10,471 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:50:10,471 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:50:10,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:10,647 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_unwindbound10.c[537,550] [2024-09-21 12:50:10,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:10,687 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:10,734 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_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:50:10,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:10,771 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:10,772 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:10 WrapperNode [2024-09-21 12:50:10,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:10,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:10,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:10,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:10,786 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,787 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,796 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,805 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 [2024-09-21 12:50:10,805 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,805 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,811 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,815 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,818 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,819 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:10,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:10,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:10,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:10,826 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 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:10,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:10,861 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) [2024-09-21 12:50:10,865 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 [2024-09-21 12:50:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:10,987 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:10,991 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:11,012 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:11,052 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:11,490 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:11,504 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:11,549 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:11,549 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:11,550 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:11 BoogieIcfgContainer [2024-09-21 12:50:11,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:11,550 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:11,550 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:11,551 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:11,552 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:10" (1/4) ... [2024-09-21 12:50:11,553 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f7a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:11, skipping insertion in model container [2024-09-21 12:50:11,553 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:10" (2/4) ... [2024-09-21 12:50:11,556 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f7a92 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:11, skipping insertion in model container [2024-09-21 12:50:11,557 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 21.09 12:50:10" (3/4) ... [2024-09-21 12:50:11,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f7a92 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:11, skipping insertion in model container [2024-09-21 12:50:11,557 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:11" (4/4) ... [2024-09-21 12:50:11,559 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-21 12:50:11,562 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:11,563 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. [2024-09-21 12:50:11,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:11,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:11,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:50:11,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:11,564 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:50:11,564 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:50:11,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:11,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:11,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:11,565 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:11,565 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:11,565 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:50:11,565 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-21 12:50:11,628 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:11,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:11,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:11,630 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:11,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:11,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:11,644 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:11,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:11,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:11,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:11,646 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:11,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:11,668 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:11,704 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:11,707 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:11,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:11,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:11,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:11,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:11,710 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:11,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:11,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:11,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:11,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:11,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:11,717 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:11,746 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:11,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:11,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:11,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:11,746 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:11,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:11,759 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:11,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:11,761 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:11,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:11,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:11,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:15,804 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:15,843 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:50:15,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:15,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:15,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:15,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:15,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,844 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:50:15,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:15,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:15,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:15,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:15,847 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:15,863 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:15,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:15,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:15,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:15,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:15,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,865 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:15,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:15,866 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:15,866 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:15,866 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:15,868 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:15,896 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:50:15,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:15,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:15,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:15,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:15,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,936 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:50:15,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:15,937 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:15,937 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:15,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:15,945 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:15,959 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:50:15,960 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:15,960 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:15,960 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:15,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:15,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,972 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:50:15,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:15,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:15,973 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:15,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:15,979 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,029 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:20,052 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:20,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,054 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:20,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,061 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,061 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,063 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:20,076 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:20,077 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,077 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,077 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,077 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,080 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:20,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,083 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:20,092 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:20,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,094 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:20,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,095 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,096 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:20,107 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:20,107 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,107 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,107 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,107 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,111 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:20,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,112 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,114 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:20,125 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:20,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,131 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:20,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:24,160 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:24,180 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:24,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:24,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:24,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:24,182 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:24,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:24,206 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:24,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:24,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:24,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:24,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:24,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:28,320 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:28,348 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:28,349 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f7a92 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:28, skipping insertion in model container [2024-09-21 12:50:28,349 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:28,350 INFO L158 Benchmark]: Toolchain (without parser) took 17900.81ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.9MB in the beginning and 58.7MB in the end (delta: -16.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:28,351 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 50.3MB. Free memory is still 27.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:28,351 INFO L158 Benchmark]: Witness Parser took 1.24ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:28,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.74ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 44.8MB in the end (delta: -3.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:28,352 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 42.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:28,352 INFO L158 Benchmark]: RCFGBuilder took 724.18ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 43.3MB in the end (delta: -1.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:28,353 INFO L158 Benchmark]: Referee took 16798.46ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 58.7MB in the end (delta: -15.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:28,355 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 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 50.3MB. Free memory is still 27.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.24ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.74ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 44.8MB in the end (delta: -3.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 42.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 724.18ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 43.3MB in the end (delta: -1.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Referee took 16798.46ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 58.7MB in the end (delta: -15.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:28,401 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN