./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i ../results/cpachecker-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:47,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:47,311 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:47,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:47,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:47,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:47,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:47,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:47,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:47,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:47,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:47,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:47,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:47,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:47,341 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:47,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:47,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:47,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:47,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:47,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:47,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:47,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:47,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:47,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:47,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:47,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:47,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:47,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:47,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:47,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:47,347 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:47,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:47,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:47,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:47,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:47,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:47,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:47,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:47,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:47,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:47,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:47,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:47,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:47,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:47,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:47,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:47,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:47,579 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:47,580 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:47,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/sendmail-close-angle.yml/output/witness-2.1.yml [2024-09-21 19:06:47,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:47,627 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:47,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-09-21 19:06:48,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:48,985 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:48,985 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-09-21 19:06:48,990 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/047eb87fd/ed7546ae6ade4c9ea779caf75fe60a76/FLAG6f5e29e82 [2024-09-21 19:06:49,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/047eb87fd/ed7546ae6ade4c9ea779caf75fe60a76 [2024-09-21 19:06:49,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:49,412 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:49,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:49,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:49,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:49,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:47" (1/2) ... [2024-09-21 19:06:49,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b5c67f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:49, skipping insertion in model container [2024-09-21 19:06:49,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:47" (1/2) ... [2024-09-21 19:06:49,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27dcaa9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:49, skipping insertion in model container [2024-09-21 19:06:49,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:49" (2/2) ... [2024-09-21 19:06:49,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b5c67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49, skipping insertion in model container [2024-09-21 19:06:49,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:49" (2/2) ... [2024-09-21 19:06:49,431 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:49,432 INFO L1541 ArrayList]: Loop invariant at [L37-L48] 1 [2024-09-21 19:06:49,432 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:49,432 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:49,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:49,570 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-invgen/sendmail-close-angle.i[893,906] [2024-09-21 19:06:49,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:49,597 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:49,634 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-invgen/sendmail-close-angle.i[893,906] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:49,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:49,656 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:49,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49 WrapperNode [2024-09-21 19:06:49,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:49,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:49,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:49,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:49,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,673 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,683 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 19:06:49,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:49,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:49,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:49,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:49,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (1/1) ... [2024-09-21 19:06:49,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:49,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:06:49,721 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:06:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:06:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:06:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:49,807 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:49,808 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:49,842 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:49,903 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:49,913 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:49,935 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:49,935 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:06:49,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:49 BoogieIcfgContainer [2024-09-21 19:06:49,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:49,936 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:49,936 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:49,936 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:49,937 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:47" (1/4) ... [2024-09-21 19:06:49,937 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a8debf5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:49, skipping insertion in model container [2024-09-21 19:06:49,937 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:49" (2/4) ... [2024-09-21 19:06:49,937 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a8debf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:49, skipping insertion in model container [2024-09-21 19:06:49,937 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:49" (3/4) ... [2024-09-21 19:06:49,938 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a8debf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:49, skipping insertion in model container [2024-09-21 19:06:49,938 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:49" (4/4) ... [2024-09-21 19:06:49,939 INFO L79 RefereeObserver]: Analyzing ICFG sendmail-close-angle.i [2024-09-21 19:06:49,942 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:06:49,943 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:06:49,943 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:49,944 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:06:49,944 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:06:49,944 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 19:06:49,944 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:06:49,945 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:06:49,945 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:06:49,945 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:06:49,945 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:49,945 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr9ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:06:49,946 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr9ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-09-21 19:06:49,946 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:49,946 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:49,946 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:06:49,947 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 9 loop-free subgraphs from loop head to error location [2024-09-21 19:06:49,974 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:06:49,975 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:49,976 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:49,976 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:49,977 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:49,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:49,987 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:06:49,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:49,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:49,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:49,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:49,996 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,013 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,024 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:06:50,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,035 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:06:50,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,035 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,035 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,035 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,041 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,057 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 19:06:50,057 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,057 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,057 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,077 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 19:06:50,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,079 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,085 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:06:50,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,089 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:06:50,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,090 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,090 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,090 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,090 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,094 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:50,099 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:06:50,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,100 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,114 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:06:50,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,114 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,115 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,115 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,116 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:50,123 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:06:50,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,136 INFO L101 BaseMinimizeStates]: Removed 28 edges and 8 locations by large block encoding [2024-09-21 19:06:50,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,138 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,139 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,148 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:06:50,148 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,148 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,148 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,153 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:06:50,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,157 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,166 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:06:50,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,167 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,175 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-21 19:06:50,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,176 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,176 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,178 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,183 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 19:06:50,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,185 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,190 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 19:06:50,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,191 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,191 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,193 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,199 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:50,200 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,200 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,200 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,200 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,200 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:50,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,202 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,208 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 19:06:50,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,208 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,216 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 19:06:50,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,216 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,216 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,217 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,217 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,219 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr9ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:50,223 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-21 19:06:50,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,255 INFO L101 BaseMinimizeStates]: Removed 40 edges and 11 locations by large block encoding [2024-09-21 19:06:50,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,260 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr9ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:50,263 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:50,266 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,268 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:50,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,268 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,271 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:50,275 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:50,275 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,275 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,276 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:50,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,277 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,277 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,277 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,288 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:06:50,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:50,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:50,290 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:50,290 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:50,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,296 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:06:50,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:50,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:50,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:50,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:50,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:50,300 INFO L520 InvariantChecker]: The annotation(s) from loop head L47 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:50,306 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:50,307 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a8debf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:50, skipping insertion in model container [2024-09-21 19:06:50,307 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:50,309 INFO L158 Benchmark]: Toolchain (without parser) took 895.94ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 126.6MB in the end (delta: -16.2MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:50,309 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:50,310 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 165.7MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:50,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.68ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 96.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:50,311 INFO L158 Benchmark]: Boogie Preprocessor took 34.70ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:50,311 INFO L158 Benchmark]: RCFGBuilder took 241.99ms. Allocated memory is still 165.7MB. Free memory was 94.7MB in the beginning and 81.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:50,311 INFO L158 Benchmark]: Referee took 371.53ms. Allocated memory is still 165.7MB. Free memory was 81.4MB in the beginning and 126.6MB in the end (delta: -45.2MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:50,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. 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 37 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 37 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 46. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 165.7MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.68ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 96.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.70ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 241.99ms. Allocated memory is still 165.7MB. Free memory was 94.7MB in the beginning and 81.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 371.53ms. Allocated memory is still 165.7MB. Free memory was 81.4MB in the beginning and 126.6MB in the end (delta: -45.2MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:50,339 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE