./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.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-scaling/egcd2-ll_valuebound1.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.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 19:09:18,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:09:18,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:09:18,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:09:18,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:09:18,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:09:18,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:09:18,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:09:18,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:09:18,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:09:18,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:09:18,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:09:18,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:09:18,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:09:18,899 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:09:18,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:09:18,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:09:18,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:09:18,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:09:18,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:09:18,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:09:18,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:09:18,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:09:18,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:09:18,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:09:18,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:09:18,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:09:18,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:09:18,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:09:18,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:09:18,909 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:09:18,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:09:18,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:09:18,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:18,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:09:18,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:09:18,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:09:18,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:09:18,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:09:18,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:09:18,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:09:18,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:09:18,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:09:18,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:09:19,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:09:19,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:09:19,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:09:19,193 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:09:19,194 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:09:19,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.yml/output/witness-2.1.yml [2024-09-21 19:09:19,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:09:19,287 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:09:19,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-21 19:09:20,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:09:21,028 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:09:21,029 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-21 19:09:21,035 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/265cb6df9/2ef0dcee5c704ad29ac9831341c1f131/FLAGdcd97a87b [2024-09-21 19:09:21,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/265cb6df9/2ef0dcee5c704ad29ac9831341c1f131 [2024-09-21 19:09:21,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:09:21,410 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:09:21,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:21,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:09:21,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:09:21,425 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 07:09:19" (1/2) ... [2024-09-21 19:09:21,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c920a2d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:21, skipping insertion in model container [2024-09-21 19:09:21,427 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 07:09:19" (1/2) ... [2024-09-21 19:09:21,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@787bd042 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:21, skipping insertion in model container [2024-09-21 19:09:21,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:21" (2/2) ... [2024-09-21 19:09:21,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c920a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21, skipping insertion in model container [2024-09-21 19:09:21,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:21" (2/2) ... [2024-09-21 19:09:21,443 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:09:21,444 INFO L1541 ArrayList]: Loop invariant at [L41-L68] (c == (0LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (k == (1LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (-1LL)) [2024-09-21 19:09:21,444 INFO L1541 ArrayList]: Loop invariant at [L47-L56] (k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:09:21,444 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) && (!(cond == (1)) || (1)) [2024-09-21 19:09:21,445 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:21,447 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:21,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:09:21,626 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/egcd2-ll_valuebound1.c[490,503] [2024-09-21 19:09:21,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:21,666 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:09:21,707 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/egcd2-ll_valuebound1.c[490,503] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 19:09:21,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:21,741 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:09:21,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21 WrapperNode [2024-09-21 19:09:21,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:21,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:09:21,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:09:21,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:09:21,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,794 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 19:09:21,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:09:21,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:09:21,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:09:21,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:09:21,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (1/1) ... [2024-09-21 19:09:21,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:09:21,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:09:21,867 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 19:09:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:09:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:09:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:09:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:09:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:09:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:09:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:09:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:09:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:09:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:09:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:09:21,998 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:09:22,001 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:09:22,031 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:22,065 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:22,209 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:22,227 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:09:22,265 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:09:22,265 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:09:22,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:22 BoogieIcfgContainer [2024-09-21 19:09:22,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:09:22,267 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:09:22,267 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:09:22,268 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:09:22,268 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 07:09:19" (1/4) ... [2024-09-21 19:09:22,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7770bfce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,270 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:09:21" (2/4) ... [2024-09-21 19:09:22,271 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7770bfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,272 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:21" (3/4) ... [2024-09-21 19:09:22,272 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7770bfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,273 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:22" (4/4) ... [2024-09-21 19:09:22,275 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2024-09-21 19:09:22,278 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:09:22,279 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 19:09:22,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr14ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:22,280 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr13REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:09:22,280 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:22,280 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:22,280 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 19:09:22,280 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-21 19:09:22,280 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:09:22,280 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:09:22,281 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:22,281 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:09:22,281 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:09:22,281 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:22,281 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:22,281 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:22,282 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 19:09:22,282 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr12REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:22,282 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 19:09:22,282 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:22,282 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 19:09:22,282 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:22,299 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location [2024-09-21 19:09:22,347 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:09:22,348 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,349 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,359 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:09:22,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,361 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,361 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,384 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 19:09:22,410 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:09:22,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,436 INFO L101 BaseMinimizeStates]: Removed 22 edges and 6 locations by large block encoding [2024-09-21 19:09:22,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,438 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,440 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr14ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:22,458 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:09:22,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,459 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,466 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-21 19:09:22,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,466 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,468 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr13REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,485 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 19:09:22,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,500 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 19:09:22,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,502 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,514 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:22,514 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,519 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:22,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,519 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,519 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,522 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,542 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:09:22,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,562 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:09:22,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,563 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,571 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:09:22,586 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:09:22,586 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,604 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-21 19:09:22,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,608 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,634 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:22,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,635 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,635 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,635 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,639 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:22,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,664 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:22,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,665 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,665 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,673 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:22,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,674 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,674 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,674 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,691 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:22,692 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,695 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:22,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,696 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,698 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,710 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:22,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,717 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:22,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,718 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,718 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,719 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,729 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:22,730 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,731 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:22,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,731 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,731 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,732 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,732 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,734 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,743 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:22,743 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,743 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,743 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,744 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,747 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:22,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,747 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,750 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,758 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:22,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,760 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:22,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,761 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,763 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,771 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:22,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,775 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:22,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,778 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,785 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:22,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,786 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:22,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,787 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,788 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,796 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-21 19:09:22,796 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,797 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,797 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,802 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-21 19:09:22,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,809 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr12REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,815 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:09:22,816 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,816 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,816 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,819 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:09:22,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,822 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:22,832 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:22,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,836 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:22,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,836 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,836 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,837 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,838 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,846 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:22,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,848 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:22,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,858 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:22,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,858 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,864 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:22,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,866 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,882 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:09:22,882 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7770bfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,882 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:09:22,884 INFO L158 Benchmark]: Toolchain (without parser) took 1473.37ms. Allocated memory is still 209.7MB. Free memory was 141.0MB in the beginning and 100.8MB in the end (delta: 40.2MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,885 INFO L158 Benchmark]: Witness Parser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:22,885 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 209.7MB. Free memory is still 186.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:22,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.86ms. Allocated memory is still 209.7MB. Free memory was 140.8MB in the beginning and 126.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,890 INFO L158 Benchmark]: Boogie Preprocessor took 73.55ms. Allocated memory is still 209.7MB. Free memory was 126.5MB in the beginning and 124.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,890 INFO L158 Benchmark]: RCFGBuilder took 447.12ms. Allocated memory is still 209.7MB. Free memory was 124.2MB in the beginning and 109.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,890 INFO L158 Benchmark]: Referee took 615.88ms. Allocated memory is still 209.7MB. Free memory was 109.1MB in the beginning and 100.8MB in the end (delta: 8.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,895 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 loop head at line 47 to loop head at line 41. One counterexample starts in b=0, c=-1, k=0, p=1, q=0, r=0, s=1 and ends in a=0, b=-1, c=-1, k=0, p=0, q=1, r=1, s=0, temp=0. 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 41 to loop head at line 47. One counterexample starts in a=2, b=3, c=0, k=1, p=0, q=1, r=1, s=-1 and ends in a=2, b=3, c=2, k=0, p=0, q=1, r=1, s=-1. Annotation is not valid for all loop-free paths from loop head at line 47 to loop head at line 47. 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 entry of procedure main to check that procedure precondition always holds at line 38. 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 47 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 41 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 71. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 209.7MB. Free memory is still 186.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.86ms. Allocated memory is still 209.7MB. Free memory was 140.8MB in the beginning and 126.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.55ms. Allocated memory is still 209.7MB. Free memory was 126.5MB in the beginning and 124.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 447.12ms. Allocated memory is still 209.7MB. Free memory was 124.2MB in the beginning and 109.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 615.88ms. Allocated memory is still 209.7MB. Free memory was 109.1MB in the beginning and 100.8MB in the end (delta: 8.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:09:22,941 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