./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.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_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.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 12:49:52,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:52,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:52,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:52,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:52,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:52,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:52,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:52,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:52,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:52,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:52,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:52,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:52,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:52,169 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:52,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:52,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:52,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:52,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:52,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:52,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:52,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:52,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:52,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:52,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:52,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:52,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:52,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:52,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:52,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:52,175 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:52,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:52,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:52,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:52,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:52,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:52,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:52,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:52,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:52,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:52,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:52,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:52,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:52,178 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:52,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:52,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:52,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:52,430 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:52,431 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:52,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-21 12:49:52,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:52,475 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:52,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-21 12:49:53,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:53,871 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:53,871 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-21 12:49:53,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9b88082ea/2e48186b92b44d35a4d5d117cca7f320/FLAG78af2fdd5 [2024-09-21 12:49:53,889 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9b88082ea/2e48186b92b44d35a4d5d117cca7f320 [2024-09-21 12:49:53,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:53,890 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:53,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:53,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:53,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:53,896 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 12:49:52" (1/2) ... [2024-09-21 12:49:53,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b5b86c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:53, skipping insertion in model container [2024-09-21 12:49:53,897 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 12:49:52" (1/2) ... [2024-09-21 12:49:53,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ac634c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:53, skipping insertion in model container [2024-09-21 12:49:53,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:53" (2/2) ... [2024-09-21 12:49:53,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b5b86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:53, skipping insertion in model container [2024-09-21 12:49:53,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:53" (2/2) ... [2024-09-21 12:49:53,904 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:53,904 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 12:49:53,904 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:49:53,904 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:53,905 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:53,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:54,048 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_unwindbound20.c[537,550] [2024-09-21 12:49:54,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:54,072 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:54,101 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:49:54,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:54,128 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:54,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54 WrapperNode [2024-09-21 12:49:54,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:54,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:54,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:54,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:54,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,158 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 12:49:54,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:54,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:54,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:54,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:54,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:54,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:54,198 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 12:49:54,204 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 12:49:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:54,290 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:54,294 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:54,315 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:54,341 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:54,498 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:54,512 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:54,539 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:54,543 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:54,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:54 BoogieIcfgContainer [2024-09-21 12:49:54,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:54,544 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:54,544 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:54,545 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:54,545 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 12:49:52" (1/4) ... [2024-09-21 12:49:54,545 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d275ebb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,545 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:53" (2/4) ... [2024-09-21 12:49:54,545 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d275ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,545 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54" (3/4) ... [2024-09-21 12:49:54,546 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d275ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,546 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:54" (4/4) ... [2024-09-21 12:49:54,550 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-21 12:49:54,553 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:54,553 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 12:49:54,553 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:54,554 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 12:49:54,554 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:54,554 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:54,554 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 12:49:54,554 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 12:49:54,554 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 12:49:54,555 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 12:49:54,555 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 12:49:54,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:54,555 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 12:49:54,555 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 12:49:54,556 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:49:54,608 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:54,610 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:54,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:54,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:54,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:54,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:54,635 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:54,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:54,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:54,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:54,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:54,643 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:54,683 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 12:49:54,698 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:54,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:54,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:54,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:54,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:54,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:54,700 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:54,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:54,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:54,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:54,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:54,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:54,707 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:54,721 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:54,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:54,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:54,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:54,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:54,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:54,732 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:54,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:54,732 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:54,733 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:54,733 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:54,733 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:58,735 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:58,753 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:58,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:58,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:58,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:58,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:58,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,754 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:58,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:58,755 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:58,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:58,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:58,756 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:58,765 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:58,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:58,766 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:58,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:58,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:58,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,767 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:58,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:58,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:58,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:58,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:58,769 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:58,778 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:58,779 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:58,779 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:58,779 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:58,779 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:58,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,803 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:58,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:58,803 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:58,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:58,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:58,805 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:58,814 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:58,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:58,814 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:58,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:58,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:58,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,850 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:58,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,851 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:58,851 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:58,851 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:58,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,860 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:02,871 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:02,871 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,873 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:02,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,875 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:02,882 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:02,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,883 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,883 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,885 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:02,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,885 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,885 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,886 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,887 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:02,894 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:02,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,895 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:02,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,896 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,896 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,896 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,896 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,897 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:02,904 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:02,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,906 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:02,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,906 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,906 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,908 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:02,914 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:02,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,915 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,918 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:02,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,918 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,920 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:02,928 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:02,928 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,928 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,945 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:02,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:06,953 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:06,958 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:06,958 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d275ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:06, skipping insertion in model container [2024-09-21 12:50:06,958 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:06,959 INFO L158 Benchmark]: Toolchain (without parser) took 13068.41ms. Allocated memory is still 247.5MB. Free memory was 174.0MB in the beginning and 177.2MB in the end (delta: -3.3MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,960 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:06,960 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:06,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.71ms. Allocated memory is still 247.5MB. Free memory was 174.0MB in the beginning and 160.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,961 INFO L158 Benchmark]: Boogie Preprocessor took 44.93ms. Allocated memory is still 247.5MB. Free memory was 160.1MB in the beginning and 158.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,961 INFO L158 Benchmark]: RCFGBuilder took 369.10ms. Allocated memory is still 247.5MB. Free memory was 158.0MB in the beginning and 139.6MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,961 INFO L158 Benchmark]: Referee took 12414.04ms. Allocated memory is still 247.5MB. Free memory was 139.6MB in the beginning and 177.2MB in the end (delta: -37.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,963 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 main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.71ms. Allocated memory is still 247.5MB. Free memory was 174.0MB in the beginning and 160.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.93ms. Allocated memory is still 247.5MB. Free memory was 160.1MB in the beginning and 158.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.10ms. Allocated memory is still 247.5MB. Free memory was 158.0MB in the beginning and 139.6MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12414.04ms. Allocated memory is still 247.5MB. Free memory was 139.6MB in the beginning and 177.2MB in the end (delta: -37.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:06,985 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_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.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 12:50:09,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:09,124 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:09,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:09,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:09,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:09,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:09,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:09,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:09,179 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:09,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:09,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:09,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:09,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:09,183 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:09,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:09,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:09,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:09,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:09,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:09,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:09,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:09,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:09,187 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:09,187 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:09,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:09,188 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:09,188 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:09,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:09,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:09,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:09,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:09,189 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:09,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:09,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:09,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:09,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:09,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:09,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:09,197 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:09,197 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:09,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:09,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:09,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:09,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:09,198 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:09,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:09,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:09,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:09,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:09,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:09,473 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:09,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-21 12:50:10,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:11,209 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:11,210 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-21 12:50:11,221 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/151de9240/8a2d9a78cc3241e1b4ca5cb8b899f960/FLAG5f18a62df [2024-09-21 12:50:11,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/151de9240/8a2d9a78cc3241e1b4ca5cb8b899f960 [2024-09-21 12:50:11,239 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:11,239 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:11,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-21 12:50:11,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:11,317 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:11,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:11,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:11,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:11,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:11" (1/2) ... [2024-09-21 12:50:11,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115006b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:11, skipping insertion in model container [2024-09-21 12:50:11,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:11" (1/2) ... [2024-09-21 12:50:11,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5707e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:11, skipping insertion in model container [2024-09-21 12:50:11,335 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 12:50:11" (2/2) ... [2024-09-21 12:50:11,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115006b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:11, skipping insertion in model container [2024-09-21 12:50:11,335 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 12:50:11" (2/2) ... [2024-09-21 12:50:11,345 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:11,345 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 12:50:11,345 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:50:11,345 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:11,345 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:50:11,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:11,469 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_unwindbound20.c[537,550] [2024-09-21 12:50:11,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:11,493 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:11,535 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:50:11,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:11,554 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:11,555 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:11 WrapperNode [2024-09-21 12:50:11,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:11,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:11,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:11,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:11,566 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,567 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,573 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,586 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 12:50:11,587 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,587 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,592 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,596 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,601 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,602 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:11,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:11,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:11,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:11,606 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 12:50:11" (1/1) ... [2024-09-21 12:50:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:11,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:11,632 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 12:50:11,635 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 12:50:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:11,727 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:11,729 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:11,752 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:11,779 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:12,257 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:12,295 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:12,334 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:12,334 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:12,334 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:12 BoogieIcfgContainer [2024-09-21 12:50:12,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:12,335 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:12,335 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:12,336 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:12,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:11" (1/4) ... [2024-09-21 12:50:12,339 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4da70be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:12, skipping insertion in model container [2024-09-21 12:50:12,340 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 12:50:11" (2/4) ... [2024-09-21 12:50:12,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4da70be9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:12, skipping insertion in model container [2024-09-21 12:50:12,343 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 12:50:11" (3/4) ... [2024-09-21 12:50:12,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4da70be9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:12, skipping insertion in model container [2024-09-21 12:50:12,344 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 12:50:12" (4/4) ... [2024-09-21 12:50:12,345 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-21 12:50:12,348 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:12,349 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 12:50:12,349 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:12,350 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 12:50:12,350 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:50:12,350 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:12,350 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 12:50:12,350 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 12:50:12,351 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 12:50:12,351 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 12:50:12,351 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 12:50:12,351 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:12,351 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 12:50:12,351 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 12:50:12,352 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-21 12:50:12,398 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:12,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:12,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:12,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:12,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:12,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,408 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:12,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,409 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:12,409 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:12,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:12,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:12,439 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 12:50:12,454 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:12,454 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:12,455 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:12,455 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:12,455 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:12,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,458 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:12,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:12,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:12,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:12,459 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:12,461 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:12,487 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:12,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:12,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:12,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:12,491 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:12,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,498 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:12,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:12,499 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:12,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:12,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,533 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:16,569 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:50:16,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,573 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,573 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,573 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,574 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:50:16,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,575 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,576 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:16,586 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:16,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,590 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:16,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,590 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,592 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:16,610 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:50:16,611 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,644 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:50:16,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,648 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:16,661 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:50:16,662 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,662 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,662 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,662 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,676 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:50:16,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,676 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,676 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,676 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,680 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,816 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:16,837 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:16,837 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,837 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,838 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,838 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,853 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:16,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,854 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,855 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:16,863 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:16,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,865 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:16,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,866 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:16,871 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:16,871 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,871 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,873 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:16,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,874 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:16,879 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:16,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,880 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,880 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,881 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:16,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,882 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,883 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:16,888 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:16,888 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,888 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,891 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:16,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:16,906 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:16,913 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:16,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:16,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:16,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:16,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:16,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,925 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:16,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:16,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:16,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:16,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:16,928 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,994 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:21,019 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:21,019 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4da70be9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,019 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:21,020 INFO L158 Benchmark]: Toolchain (without parser) took 9702.61ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 43.2MB in the beginning and 52.3MB in the end (delta: -9.1MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:21,021 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:21,021 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 75.5MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:21,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.81ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 53.3MB in the end (delta: -10.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:21,021 INFO L158 Benchmark]: Boogie Preprocessor took 48.32ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 50.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:21,022 INFO L158 Benchmark]: RCFGBuilder took 729.49ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 34.6MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:21,022 INFO L158 Benchmark]: Referee took 8683.87ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 34.6MB in the beginning and 52.3MB in the end (delta: -17.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:21,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure 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 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 75.5MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.81ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 53.3MB in the end (delta: -10.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.32ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 50.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 729.49ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 34.6MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8683.87ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 34.6MB in the beginning and 52.3MB in the end (delta: -17.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:21,069 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN