./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/simple_vardep_2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_vardep_2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-crafted/simple_vardep_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_vardep_2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:15,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:15,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:15,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:15,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:15,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:15,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:15,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:15,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:15,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:15,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:15,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:15,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:15,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:15,249 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:15,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:15,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:15,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:15,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:15,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:15,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:15,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:15,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:15,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:15,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:15,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:15,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:15,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:15,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:15,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:15,260 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:15,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:15,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:15,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:15,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:15,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:15,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:15,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:15,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:15,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:15,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:15,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:15,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:15,274 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:15,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:15,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:15,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:15,559 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:15,560 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:15,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_vardep_2.yml/witness-2.1.yml [2024-09-21 12:47:15,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:15,607 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:15,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2024-09-21 12:47:17,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:17,307 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:17,308 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2024-09-21 12:47:17,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/32ff0bdcd/f6978bfdd8c64e8a9d2ecbe7645dddcb/FLAGe93b351d0 [2024-09-21 12:47:17,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/32ff0bdcd/f6978bfdd8c64e8a9d2ecbe7645dddcb [2024-09-21 12:47:17,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:17,709 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:17,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:17,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:17,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:17,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:15" (1/2) ... [2024-09-21 12:47:17,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52770b1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:15" (1/2) ... [2024-09-21 12:47:17,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d6062ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:17" (2/2) ... [2024-09-21 12:47:17,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52770b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:17" (2/2) ... [2024-09-21 12:47:17,727 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:17,728 INFO L1541 ArrayList]: Loop invariant at [L21-L26] ((((k == (((long long) i * 3) % 4294967296)) && ((j + ((i / 2147483648) * 4294967296)) == ((long long) i * 2))) && (((long long) i * 3) <= k)) && (((long long) i * 2) <= j)) [2024-09-21 12:47:17,728 INFO L1541 ArrayList]: Function contract at [L7]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:17,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:17,886 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/loop-crafted/simple_vardep_2.c[584,597] [2024-09-21 12:47:17,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:17,914 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:17,955 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/loop-crafted/simple_vardep_2.c[584,597] Start Parsing Local [2024-09-21 12:47:17,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:17,989 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:17,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17 WrapperNode [2024-09-21 12:47:17,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:17,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:17,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:17,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:18,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,030 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 [2024-09-21 12:47:18,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:18,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:18,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:18,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:18,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (1/1) ... [2024-09-21 12:47:18,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:18,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:47:18,093 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:47:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:18,220 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:18,223 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:18,407 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:18,422 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:18,450 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:18,450 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:18,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:18 BoogieIcfgContainer [2024-09-21 12:47:18,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:18,451 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:18,451 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:18,452 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:18,452 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:15" (1/4) ... [2024-09-21 12:47:18,453 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e1d4b06 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,453 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:17" (2/4) ... [2024-09-21 12:47:18,453 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e1d4b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,453 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17" (3/4) ... [2024-09-21 12:47:18,454 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e1d4b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,454 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:18" (4/4) ... [2024-09-21 12:47:18,455 INFO L79 RefereeObserver]: Analyzing ICFG simple_vardep_2.c [2024-09-21 12:47:18,458 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:18,459 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:18,459 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:47:18,459 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:47:18,459 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:18,459 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:18,460 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:47:18,503 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:18,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,505 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,532 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:18,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,534 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:18,584 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:18,596 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:18,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,601 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:18,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:18,611 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:18,633 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:47:18,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,657 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:47:18,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:18,744 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:18,754 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:18,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,762 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:18,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,763 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:18,776 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:18,792 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:18,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,793 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,797 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:18,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,797 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:18,803 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:18,806 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:18,807 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e1d4b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,807 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:18,809 INFO L158 Benchmark]: Toolchain (without parser) took 1098.99ms. Allocated memory is still 172.0MB. Free memory was 115.2MB in the beginning and 69.9MB in the end (delta: 45.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,809 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:18,810 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:18,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.24ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 102.0MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,811 INFO L158 Benchmark]: Boogie Preprocessor took 65.39ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,811 INFO L158 Benchmark]: RCFGBuilder took 393.94ms. Allocated memory is still 172.0MB. Free memory was 100.0MB in the beginning and 87.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,812 INFO L158 Benchmark]: Referee took 355.87ms. Allocated memory is still 172.0MB. Free memory was 87.0MB in the beginning and 69.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,815 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 exit of procedure __VERIFIER_assert. 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 10. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.24ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 102.0MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.39ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.94ms. Allocated memory is still 172.0MB. Free memory was 100.0MB in the beginning and 87.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 355.87ms. Allocated memory is still 172.0MB. Free memory was 87.0MB in the beginning and 69.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:18,846 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