./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/egcd2-ll.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/egcd2-ll.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll.yml/output/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 19:08:17,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:18,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:18,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:18,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:18,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:18,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:18,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:18,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:18,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:18,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:18,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:18,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:18,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:18,082 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:18,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:18,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:18,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:18,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:18,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:18,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:18,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:18,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:18,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:18,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:18,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:18,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:18,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:18,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:18,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:18,089 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:18,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:18,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:18,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:18,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:18,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:18,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:18,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:18,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:18,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:18,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:18,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:18,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:18,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:18,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:18,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:18,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:18,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:18,369 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:18,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd2-ll.c [2024-09-21 19:08:19,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:20,071 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:20,072 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd2-ll.c [2024-09-21 19:08:20,079 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c6d4c5d27/c55f5e5fbd9143e9b32f27e50e4f3f4c/FLAG304e54844 [2024-09-21 19:08:20,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c6d4c5d27/c55f5e5fbd9143e9b32f27e50e4f3f4c [2024-09-21 19:08:20,093 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:20,093 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:20,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll.yml/output/witness-2.1.yml [2024-09-21 19:08:20,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:20,153 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:20,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:20,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:20,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:20,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:20" (1/2) ... [2024-09-21 19:08:20,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a060bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:20, skipping insertion in model container [2024-09-21 19:08:20,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:20" (1/2) ... [2024-09-21 19:08:20,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d1a3f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:20, skipping insertion in model container [2024-09-21 19:08:20,165 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 07:08:20" (2/2) ... [2024-09-21 19:08:20,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a060bbf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:20, skipping insertion in model container [2024-09-21 19:08:20,165 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 07:08:20" (2/2) ... [2024-09-21 19:08:20,173 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:20,175 INFO L1541 ArrayList]: Loop invariant at [L39-L66] (k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (c == (0LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:08:20,175 INFO L1541 ArrayList]: Loop invariant at [L45-L54] (k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:08:20,176 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:20,176 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:20,176 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:20,176 INFO L1541 ArrayList]: Function contract at [L4]: requires 1, ensures 1 [2024-09-21 19:08:20,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:20,345 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/egcd2-ll.c[490,503] [2024-09-21 19:08:20,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:20,372 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:08:20,401 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/egcd2-ll.c[490,503] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 19:08:20,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:20,432 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:20,433 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:20 WrapperNode [2024-09-21 19:08:20,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:20,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:20,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:20,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:20,447 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,448 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,453 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,470 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:08:20,471 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,471 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,475 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,479 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,480 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,481 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:20,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:20,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:20,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:20,488 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 07:08:20" (1/1) ... [2024-09-21 19:08:20,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:20,519 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 19:08:20,523 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 19:08:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:08:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:08:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:08:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:20,644 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:20,647 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:20,651 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:20,676 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:20,707 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:20,839 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:20,864 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:20,898 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:20,899 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:08:20,899 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:20 BoogieIcfgContainer [2024-09-21 19:08:20,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:20,900 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:20,900 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:20,901 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:20,901 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:20" (1/4) ... [2024-09-21 19:08:20,902 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63ea480a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:20, skipping insertion in model container [2024-09-21 19:08:20,903 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 07:08:20" (2/4) ... [2024-09-21 19:08:20,904 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63ea480a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:20, skipping insertion in model container [2024-09-21 19:08:20,904 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 07:08:20" (3/4) ... [2024-09-21 19:08:20,904 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63ea480a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:20, skipping insertion in model container [2024-09-21 19:08:20,904 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 07:08:20" (4/4) ... [2024-09-21 19:08:20,906 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll.c [2024-09-21 19:08:20,910 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:08:20,911 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 19:08:20,912 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:20,912 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:08:20,912 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:20,912 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:20,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:20,914 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:20,914 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:20,914 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:08:20,915 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 19:08:20,915 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-21 19:08:20,915 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:20,915 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:08:20,915 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:20,915 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:08:20,915 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to LOOP_INVARIANT_ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:08:20,916 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 19:08:20,916 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:08:20,916 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 19:08:20,916 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:08:20,916 INFO L131 InvariantChecker]: Will check 9 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 19:08:20,986 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:08:20,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:20,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:20,988 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:20,990 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:20,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,001 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:08:21,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,006 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,036 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 19:08:21,062 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:21,063 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,063 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,066 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:21,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,069 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,096 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:08:21,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,108 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:08:21,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,109 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,109 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,109 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,118 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,141 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:21,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,143 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:21,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,145 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:21,165 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:08:21,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,170 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:08:21,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,172 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,186 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:08:21,186 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,186 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,197 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:08:21,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,199 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,220 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:08:21,221 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,222 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,222 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,222 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,226 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:08:21,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,226 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,227 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,227 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,228 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,240 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:21,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,241 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,241 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,242 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:21,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,243 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,243 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,243 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,245 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,255 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-21 19:08:21,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,256 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,261 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-21 19:08:21,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,264 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,275 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:08:21,276 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,289 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:08:21,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,291 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,291 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,292 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,297 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:21,317 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:08:21,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,318 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,318 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,339 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-21 19:08:21,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,340 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,340 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,344 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,371 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:21,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,372 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,372 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,375 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:21,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,376 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,379 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,391 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:08:21,392 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,392 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,406 INFO L101 BaseMinimizeStates]: Removed 22 edges and 6 locations by large block encoding [2024-09-21 19:08:21,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,406 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,409 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:21,418 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:21,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,419 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:21,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,420 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,420 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,422 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,433 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:08:21,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,435 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,435 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,435 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,439 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:08:21,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,457 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:08:21,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,458 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,470 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:08:21,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,472 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,472 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,472 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,489 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:21,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,490 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,492 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:21,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,492 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,492 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,496 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:21,505 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:08:21,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,505 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,510 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-21 19:08:21,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,511 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,513 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,519 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:21,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,520 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,521 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:21,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,522 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,522 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,522 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,534 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:08:21,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:21,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:21,535 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:21,535 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:21,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,540 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:08:21,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:21,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:21,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:21,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:21,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:21,542 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:21,555 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:08:21,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63ea480a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:21, skipping insertion in model container [2024-09-21 19:08:21,557 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:21,559 INFO L158 Benchmark]: Toolchain (without parser) took 1405.18ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 114.7MB in the beginning and 116.7MB in the end (delta: -2.0MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-09-21 19:08:21,559 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 169.9MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:21,560 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:21,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.86ms. Allocated memory is still 169.9MB. Free memory was 114.7MB in the beginning and 100.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:08:21,561 INFO L158 Benchmark]: Boogie Preprocessor took 49.12ms. Allocated memory is still 169.9MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:08:21,562 INFO L158 Benchmark]: RCFGBuilder took 415.97ms. Allocated memory is still 169.9MB. Free memory was 97.9MB in the beginning and 83.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:08:21,563 INFO L158 Benchmark]: Referee took 657.29ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 83.3MB in the beginning and 116.7MB in the end (delta: -33.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-21 19:08:21,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is not valid for all loop-free paths from loop head at line 39 to loop head at line 45. One counterexample starts in a=2, b=3, c=0, k=0, p=0, q=1, r=1, s=0 and ends in a=2, b=3, c=2, k=0, p=0, q=1, r=1, s=0. Annotation is not valid for all loop-free paths from loop head at line 45 to loop head at line 39. One counterexample starts in b=0, c=-1, k=1, p=1, q=0, r=0, s=1 and ends in a=0, b=-1, c=-1, k=1, p=0, q=1, r=1, s=-1, temp=0. Annotation is not valid for all loop-free paths from loop head at line 45 to loop head at line 45. One counterexample starts in b=0, c=0, k=1, p=1, q=0, r=0, s=1 and ends in b=0, c=0, k=2, p=1, q=0, r=0, s=1. Annotation is valid for all loop-free paths from loop head at line 39 to check that procedure precondition always holds at line 69. Annotation is valid for all loop-free paths from loop head at line 39 to check that procedure precondition always holds at line 39. 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 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 23. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 39 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 169.9MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.86ms. Allocated memory is still 169.9MB. Free memory was 114.7MB in the beginning and 100.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.12ms. Allocated memory is still 169.9MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.97ms. Allocated memory is still 169.9MB. Free memory was 97.9MB in the beginning and 83.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 657.29ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 83.3MB in the beginning and 116.7MB in the end (delta: -33.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:08:21,603 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE