./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mono-crafted_12.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mono-crafted_12.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:09:32,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:32,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:32,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:32,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:32,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:32,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:32,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:32,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:32,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:32,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:32,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:32,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:32,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:32,762 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:32,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:32,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:32,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:32,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:32,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:32,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:32,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:32,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:32,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:32,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:32,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:32,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:32,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:32,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:32,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:32,771 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:32,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:32,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:32,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:32,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:32,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:32,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:32,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:32,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:32,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:32,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:32,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:32,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:32,773 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:32,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:33,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:33,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:33,029 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:33,038 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:33,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mono-crafted_12.yml/witness-2.1.yml [2024-09-20 20:09:33,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:33,099 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:33,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c [2024-09-20 20:09:34,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:34,556 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:34,557 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c [2024-09-20 20:09:34,563 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e22416501/140f0d62cc174294a7f5aa49c3f21f89/FLAGf242fd9fa [2024-09-20 20:09:34,580 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e22416501/140f0d62cc174294a7f5aa49c3f21f89 [2024-09-20 20:09:34,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:34,582 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:34,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:34,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:34,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:34,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:33" (1/2) ... [2024-09-20 20:09:34,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274ac627 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:34, skipping insertion in model container [2024-09-20 20:09:34,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:33" (1/2) ... [2024-09-20 20:09:34,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22609b8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:34, skipping insertion in model container [2024-09-20 20:09:34,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:34" (2/2) ... [2024-09-20 20:09:34,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274ac627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34, skipping insertion in model container [2024-09-20 20:09:34,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:34" (2/2) ... [2024-09-20 20:09:34,601 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:34,602 INFO L1541 ArrayList]: Loop invariant at [L10-L14] ((z % 2) == 0) [2024-09-20 20:09:34,603 INFO L1541 ArrayList]: Function contract at [L4]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 20:09:34,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:34,749 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/loops-crafted-1/mono-crafted_12.c[319,332] [2024-09-20 20:09:34,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:34,773 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:34,801 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/loops-crafted-1/mono-crafted_12.c[319,332] Start Parsing Local [2024-09-20 20:09:34,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:34,824 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:34,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34 WrapperNode [2024-09-20 20:09:34,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:34,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:34,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:34,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:34,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,878 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:09:34,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:34,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:34,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:34,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:34,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (1/1) ... [2024-09-20 20:09:34,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:34,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:34,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:09:34,974 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:09:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:09:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:09:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:09:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:35,073 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:35,076 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:35,157 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:35,169 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:35,187 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:35,187 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:09:35,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:35 BoogieIcfgContainer [2024-09-20 20:09:35,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:35,189 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:35,189 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:35,189 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:35,190 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:33" (1/4) ... [2024-09-20 20:09:35,190 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66f5611b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,190 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:34" (2/4) ... [2024-09-20 20:09:35,190 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66f5611b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,190 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:34" (3/4) ... [2024-09-20 20:09:35,191 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66f5611b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,191 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:35" (4/4) ... [2024-09-20 20:09:35,193 INFO L79 RefereeObserver]: Analyzing ICFG mono-crafted_12.c [2024-09-20 20:09:35,198 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:09:35,199 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L10-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:35,199 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:09:35,199 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L10-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 20:09:35,199 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:35,200 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:35,200 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:09:35,239 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:09:35,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,241 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,261 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:09:35,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,271 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,287 INFO L520 InvariantChecker]: The annotation(s) from loop head L10-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:35,302 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:09:35,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,302 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,302 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,304 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:09:35,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,311 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:35,324 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:09:35,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,328 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,346 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-20 20:09:35,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,352 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,358 INFO L520 InvariantChecker]: The annotation(s) from loop head L10-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:35,367 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:35,367 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,367 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,368 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,368 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,374 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:35,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,377 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:35,382 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:35,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,382 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,384 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:35,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,384 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,385 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,386 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:35,390 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:09:35,391 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66f5611b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,391 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:35,393 INFO L158 Benchmark]: Toolchain (without parser) took 809.96ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 70.2MB in the beginning and 149.5MB in the end (delta: -79.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,393 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,395 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 115.7MB in the end (delta: 202.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.31ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 57.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,396 INFO L158 Benchmark]: Boogie Preprocessor took 79.55ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 57.0MB in the beginning and 172.7MB in the end (delta: -115.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,397 INFO L158 Benchmark]: RCFGBuilder took 282.15ms. Allocated memory is still 203.4MB. Free memory was 172.6MB in the beginning and 162.1MB in the end (delta: 10.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,398 INFO L158 Benchmark]: Referee took 202.79ms. Allocated memory is still 203.4MB. Free memory was 162.1MB in the beginning and 149.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 4. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 10. 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 loop head at line 10 to loop head at line 10. Annotation is valid for all loop-free paths from loop head at line 10 to check that procedure precondition always holds at line 10. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 115.7MB in the end (delta: 202.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.31ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 57.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.55ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 57.0MB in the beginning and 172.7MB in the end (delta: -115.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * RCFGBuilder took 282.15ms. Allocated memory is still 203.4MB. Free memory was 172.6MB in the beginning and 162.1MB in the end (delta: 10.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Referee took 202.79ms. Allocated memory is still 203.4MB. Free memory was 162.1MB in the beginning and 149.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:09:35,438 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE