./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/hh2012-ex3.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex3.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/loop-lit/hh2012-ex3.i ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex3.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 20:09:17,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:17,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:17,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:17,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:17,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:17,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:17,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:17,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:17,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:17,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:17,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:17,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:17,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:17,344 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:17,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:17,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:17,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:17,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:17,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:17,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:17,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:17,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:17,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:17,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:17,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:17,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:17,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:17,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:17,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:17,352 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:17,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:17,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:17,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:17,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:17,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:17,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:17,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:17,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:17,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:17,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:17,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:17,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:17,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:17,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:17,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:17,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:17,615 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:17,615 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:17,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex3.yml/witness-2.1.yml [2024-09-20 20:09:17,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:17,696 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:17,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-09-20 20:09:18,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:19,075 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:19,075 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-09-20 20:09:19,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f2f88f4a8/82326428a1b94ea48df2c2e1919ded4f/FLAG4415e37b8 [2024-09-20 20:09:19,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f2f88f4a8/82326428a1b94ea48df2c2e1919ded4f [2024-09-20 20:09:19,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:19,493 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:19,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:19,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:19,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:19,504 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 08:09:17" (1/2) ... [2024-09-20 20:09:19,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c7925 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:19, skipping insertion in model container [2024-09-20 20:09:19,505 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 08:09:17" (1/2) ... [2024-09-20 20:09:19,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4426859b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:19, skipping insertion in model container [2024-09-20 20:09:19,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:19" (2/2) ... [2024-09-20 20:09:19,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c7925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19, skipping insertion in model container [2024-09-20 20:09:19,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:19" (2/2) ... [2024-09-20 20:09:19,525 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:19,526 INFO L1541 ArrayList]: Loop invariant at [L16-L31] ((i <= 4) && (0 <= i)) [2024-09-20 20:09:19,526 INFO L1541 ArrayList]: Loop invariant at [L18-L25] ((((j == 0) && (0 <= i)) && (i <= 3)) || ((((i <= ((long long) j + 3)) && (1 <= j)) && (j <= i)) && (j <= 4))) [2024-09-20 20:09:19,526 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 20:09:19,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:19,703 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-lit/hh2012-ex3.i[799,812] [2024-09-20 20:09:19,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:19,737 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:19,816 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-lit/hh2012-ex3.i[799,812] Start Parsing Local Start Parsing Local [2024-09-20 20:09:19,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:19,865 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:19,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19 WrapperNode [2024-09-20 20:09:19,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:19,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:19,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:19,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:19,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,904 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 20:09:19,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:19,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:19,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:19,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:19,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (1/1) ... [2024-09-20 20:09:19,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:19,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:19,942 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 20:09:19,945 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 20:09:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:09:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:09:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:09:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:09:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:09:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:20,046 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:20,050 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:20,163 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:20,175 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:20,198 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:20,198 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:09:20,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:20 BoogieIcfgContainer [2024-09-20 20:09:20,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:20,199 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:20,199 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:20,201 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:20,201 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 08:09:17" (1/4) ... [2024-09-20 20:09:20,201 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e303eeb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:20, skipping insertion in model container [2024-09-20 20:09:20,201 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:19" (2/4) ... [2024-09-20 20:09:20,201 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e303eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:20, skipping insertion in model container [2024-09-20 20:09:20,202 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:19" (3/4) ... [2024-09-20 20:09:20,202 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e303eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:20, skipping insertion in model container [2024-09-20 20:09:20,202 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:20" (4/4) ... [2024-09-20 20:09:20,203 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex3.i [2024-09-20 20:09:20,206 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:09:20,206 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:09:20,206 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:09:20,207 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 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:20,207 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:20,208 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 20:09:20,208 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 20:09:20,208 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:20,208 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:09:20,245 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:09:20,246 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,246 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,250 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,264 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:09:20,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,270 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,285 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,302 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:20,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,303 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,313 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:20,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,314 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,314 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,316 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,332 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:20,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,334 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,334 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,343 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 20:09:20,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,344 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,344 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,346 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,350 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,364 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:09:20,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,382 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:09:20,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,382 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,383 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,389 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:20,398 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:20,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,400 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,402 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:20,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,407 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:20,417 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:09:20,421 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,421 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,421 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,429 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:09:20,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,432 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,435 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,444 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:09:20,444 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,444 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,444 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,445 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,454 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-20 20:09:20,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,454 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,456 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,460 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,469 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 20:09:20,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,469 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,469 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,484 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-20 20:09:20,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,492 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:20,498 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:09:20,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,499 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,500 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:09:20,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,505 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:20,512 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:09:20,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,513 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,513 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,513 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,519 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:09:20,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,520 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,520 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,522 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,528 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:09:20,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,528 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,531 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:09:20,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,532 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,532 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,533 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,536 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,539 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:20,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,540 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,541 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,542 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:20,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,543 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,543 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,545 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:20,549 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:20,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,550 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:20,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,553 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:20,559 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:09:20,559 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:20,559 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:20,560 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:20,560 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:20,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,563 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:09:20,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:20,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:20,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:20,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:20,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:20,569 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:20,572 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:09:20,572 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e303eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:20, skipping insertion in model container [2024-09-20 20:09:20,572 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:20,573 INFO L158 Benchmark]: Toolchain (without parser) took 1079.51ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 71.3MB in the end (delta: 24.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:20,574 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:20,574 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:20,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.36ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 138.0MB in the end (delta: -42.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-09-20 20:09:20,575 INFO L158 Benchmark]: Boogie Preprocessor took 41.18ms. Allocated memory is still 167.8MB. Free memory was 138.0MB in the beginning and 135.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:20,576 INFO L158 Benchmark]: RCFGBuilder took 285.49ms. Allocated memory is still 167.8MB. Free memory was 135.8MB in the beginning and 122.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:20,577 INFO L158 Benchmark]: Referee took 373.37ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 71.3MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-20 20:09:20,579 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 loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. 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 18 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.36ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 138.0MB in the end (delta: -42.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.18ms. Allocated memory is still 167.8MB. Free memory was 138.0MB in the beginning and 135.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.49ms. Allocated memory is still 167.8MB. Free memory was 135.8MB in the beginning and 122.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 373.37ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 71.3MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:09:20,606 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