./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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/bh2017-ex1-poly.i ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.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-f1d7dc9-m [2024-09-20 13:25:43,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:43,406 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:43,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:43,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:43,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:43,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:43,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:43,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:43,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:43,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:43,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:43,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:43,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:43,454 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:43,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:43,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:43,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:43,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:43,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:43,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:43,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:43,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:43,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:43,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:43,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:43,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:43,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:43,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:43,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:43,463 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:43,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:43,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:43,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:43,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:43,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:43,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:43,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:43,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:43,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:43,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:43,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:43,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:43,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:43,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:43,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:43,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:43,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:43,742 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:43,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-20 13:25:45,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:45,329 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:45,331 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-20 13:25:45,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1769aed67/00bb80b5ca1d4cc5b73751804050f803/FLAG0648b382f [2024-09-20 13:25:45,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1769aed67/00bb80b5ca1d4cc5b73751804050f803 [2024-09-20 13:25:45,730 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:45,730 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:45,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.yml/witness-2.1.yml [2024-09-20 13:25:45,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:45,787 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:45,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:45,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:45,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:45,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:45" (1/2) ... [2024-09-20 13:25:45,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fce8f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:45, skipping insertion in model container [2024-09-20 13:25:45,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:45" (1/2) ... [2024-09-20 13:25:45,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f49c2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:45, skipping insertion in model container [2024-09-20 13:25:45,798 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 01:25:45" (2/2) ... [2024-09-20 13:25:45,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fce8f04 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:45, skipping insertion in model container [2024-09-20 13:25:45,798 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 01:25:45" (2/2) ... [2024-09-20 13:25:45,806 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:45,806 INFO L1541 ArrayList]: Loop invariant at [L16-L31] ((0 < i) || (i == 0)) [2024-09-20 13:25:45,806 INFO L1541 ArrayList]: Loop invariant at [L18-L25] ((((((j <= 4) && (2 <= j)) && (j == ((long long) i * 2))) || ((((((long long) i * 2) <= ((long long) j + 6)) && (j <= 4)) && (2 <= j)) && (((long long) j + 2) <= ((long long) i * 2)))) || (((j == 0) && (1 <= i)) && (i <= 3))) || ((j == 0) && (i == 0))) [2024-09-20 13:25:45,807 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 13:25:45,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:45,995 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/bh2017-ex1-poly.i[804,817] [2024-09-20 13:25:46,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:46,018 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:25:46,054 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/bh2017-ex1-poly.i[804,817] Start Parsing Local Start Parsing Local [2024-09-20 13:25:46,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:46,087 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:46,088 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46 WrapperNode [2024-09-20 13:25:46,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:46,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:46,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:46,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:46,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,123 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 13:25:46,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:46,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:46,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:46,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:46,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (1/1) ... [2024-09-20 13:25:46,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:46,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:46,176 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 13:25:46,180 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 13:25:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:25:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:25:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:25:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:25:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:25:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:25:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:46,297 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:46,299 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:46,421 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:25:46,439 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:46,461 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:46,462 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:25:46,462 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:46 BoogieIcfgContainer [2024-09-20 13:25:46,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:46,463 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:46,464 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:46,464 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:46,465 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:45" (1/4) ... [2024-09-20 13:25:46,465 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2153a853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:46, skipping insertion in model container [2024-09-20 13:25:46,465 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 01:25:45" (2/4) ... [2024-09-20 13:25:46,465 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2153a853 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:46, skipping insertion in model container [2024-09-20 13:25:46,466 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:46" (3/4) ... [2024-09-20 13:25:46,466 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2153a853 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:46, skipping insertion in model container [2024-09-20 13:25:46,466 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:46" (4/4) ... [2024-09-20 13:25:46,468 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex1-poly.i [2024-09-20 13:25:46,471 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:25:46,472 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:25:46,472 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:25:46,473 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:25:46,473 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 13:25:46,473 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 13:25:46,473 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:25:46,473 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:25:46,473 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 13:25:46,474 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 13:25:46,474 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:25:46,474 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:25:46,474 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 13:25:46,475 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 13:25:46,475 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:25:46,475 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 13:25:46,545 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:25:46,546 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,547 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,548 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,576 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:25:46,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,582 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,592 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,615 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,639 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:46,640 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,641 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,648 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:46,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,655 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,655 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,655 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,658 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,679 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:46,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,682 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,692 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 13:25:46,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,695 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,697 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,702 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,721 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:25:46,723 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,743 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:25:46,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,745 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,751 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:46,762 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:46,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,764 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,766 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:46,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,772 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:46,786 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:25:46,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,800 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:25:46,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,805 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,820 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:25:46,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,833 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-20 13:25:46,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,837 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,841 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,855 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 13:25:46,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,856 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,856 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,879 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-20 13:25:46,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,889 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:46,899 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:25:46,899 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,899 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,900 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,901 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:25:46,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,902 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,902 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,902 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,906 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:46,925 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:25:46,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,932 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:25:46,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,933 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,936 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,944 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:25:46,944 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,944 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,944 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,945 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,948 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:25:46,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,953 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,959 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:46,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,959 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,959 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,961 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:25:46,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,962 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,963 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:25:46,970 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:46,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,971 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:46,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,972 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,972 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,972 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,974 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:25:46,982 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:25:46,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:46,982 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:46,982 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:46,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:46,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,988 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:25:46,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:46,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:46,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:46,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:46,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:46,991 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:46,994 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:25:46,995 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2153a853 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:25:46, skipping insertion in model container [2024-09-20 13:25:46,995 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:25:46,997 INFO L158 Benchmark]: Toolchain (without parser) took 1209.23ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 65.1MB in the beginning and 129.5MB in the end (delta: -64.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-09-20 13:25:46,998 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:46,998 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:46,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.35ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 64.9MB in the beginning and 140.1MB in the end (delta: -75.1MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-09-20 13:25:46,999 INFO L158 Benchmark]: Boogie Preprocessor took 50.00ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 138.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:47,000 INFO L158 Benchmark]: RCFGBuilder took 322.07ms. Allocated memory is still 176.2MB. Free memory was 138.2MB in the beginning and 124.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:25:47,001 INFO L158 Benchmark]: Referee took 531.87ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 129.5MB in the end (delta: -4.7MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:47,004 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 26. 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 23. 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 check that procedure precondition always holds at line 22. 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 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 21. 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 27. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds 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 28. 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 entry of procedure main to loop head at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.35ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 64.9MB in the beginning and 140.1MB in the end (delta: -75.1MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.00ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 138.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.07ms. Allocated memory is still 176.2MB. Free memory was 138.2MB in the beginning and 124.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 531.87ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 129.5MB in the end (delta: -4.7MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:25:47,037 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