./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 a9b967e5 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-dev-a9b967e-m [2024-09-12 16:48:22,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:22,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:22,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:22,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:22,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:22,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:22,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:22,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:22,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:22,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:22,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:22,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:22,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:22,706 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:22,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:22,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:22,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:22,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:22,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:22,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:22,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:22,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:22,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:22,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:22,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:22,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:22,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:22,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:22,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:22,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:22,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:22,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:22,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:22,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:22,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:22,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:22,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:22,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:22,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:22,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:22,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:22,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:22,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:22,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:22,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:22,987 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:22,988 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:22,989 INFO L431 ainManager$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 [2024-09-12 16:48:23,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:23,032 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:23,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-12 16:48:24,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:24,671 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:24,672 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-12 16:48:24,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d2d8a58bd/b0aae69927bf41148da3de51f9184e63/FLAG4d648d6c1 [2024-09-12 16:48:25,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d2d8a58bd/b0aae69927bf41148da3de51f9184e63 [2024-09-12 16:48:25,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:25,025 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:25,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:25,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:25,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:25,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:23" (1/2) ... [2024-09-12 16:48:25,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9d3b70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:25, skipping insertion in model container [2024-09-12 16:48:25,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:23" (1/2) ... [2024-09-12 16:48:25,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31a6bb8d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:25, skipping insertion in model container [2024-09-12 16:48:25,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:25" (2/2) ... [2024-09-12 16:48:25,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9d3b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25, skipping insertion in model container [2024-09-12 16:48:25,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:25" (2/2) ... [2024-09-12 16:48:25,050 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:25,051 INFO L1541 ArrayList]: Loop invariant at [L16-L31] ((0 < i) || (i == 0)) [2024-09-12 16:48:25,051 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))) [2024-09-12 16:48:25,054 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:48:25,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:25,183 WARN L247 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] [2024-09-12 16:48:25,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:25,206 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:48:25,239 WARN L247 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 [2024-09-12 16:48:25,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:25,270 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:25,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25 WrapperNode [2024-09-12 16:48:25,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:25,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:25,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:25,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:25,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,296 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 [2024-09-12 16:48:25,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:25,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:25,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:25,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:25,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (1/1) ... [2024-09-12 16:48:25,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:25,341 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) [2024-09-12 16:48:25,343 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 [2024-09-12 16:48:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:48:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:48:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:48:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:48:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:48:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:48:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:25,445 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:25,447 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:25,573 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:25,606 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:25,606 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:25,643 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:25,644 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:48:25,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:25 BoogieIcfgContainer [2024-09-12 16:48:25,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:25,645 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:25,645 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:25,646 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:25,646 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:23" (1/4) ... [2024-09-12 16:48:25,646 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38ae7ace and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:25, skipping insertion in model container [2024-09-12 16:48:25,646 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:25" (2/4) ... [2024-09-12 16:48:25,646 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38ae7ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:25, skipping insertion in model container [2024-09-12 16:48:25,647 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:25" (3/4) ... [2024-09-12 16:48:25,647 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38ae7ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:25, skipping insertion in model container [2024-09-12 16:48:25,647 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:25" (4/4) ... [2024-09-12 16:48:25,649 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex1-poly.i [2024-09-12 16:48:25,652 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:48:25,652 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:48:25,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:25,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:48:25,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:48:25,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:25,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:48:25,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:48:25,654 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 16:48:25,654 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-12 16:48:25,654 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:48:25,654 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:48:25,654 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:48:25,655 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:25,655 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:48:25,655 INFO L130 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 [2024-09-12 16:48:25,717 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 16:48:25,720 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,720 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,725 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,745 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:48:25,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,746 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,746 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,764 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:25,776 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:25,776 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,777 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,777 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,786 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:25,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,787 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,789 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:25,798 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:25,799 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,810 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 16:48:25,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,823 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:25,837 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:48:25,837 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,837 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,837 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,838 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,858 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:48:25,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,858 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,858 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,866 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:25,879 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:25,879 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,879 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,882 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:25,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,887 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:25,896 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 16:48:25,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,908 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 16:48:25,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,909 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,914 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:25,922 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 16:48:25,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,924 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,933 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-12 16:48:25,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,939 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:25,948 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-12 16:48:25,951 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,951 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,951 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,965 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-12 16:48:25,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,966 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,967 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,971 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,974 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:25,981 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:48:25,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,983 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:48:25,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:25,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:25,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:25,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:25,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:25,987 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:25,994 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:48:25,994 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:25,994 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:25,994 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:25,994 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:25,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,002 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:48:26,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:26,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:26,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:26,004 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:26,010 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:26,018 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:48:26,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:26,019 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:26,019 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:26,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:26,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,022 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:48:26,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:26,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:26,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:26,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:26,026 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:26,032 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:26,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:26,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:26,033 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:26,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:26,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,035 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:26,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:26,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:26,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:26,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:26,038 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:26,043 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:26,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:26,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:26,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:26,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:26,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,045 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:26,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,045 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:26,046 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:26,046 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:26,046 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:26,048 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:48:26,054 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:48:26,054 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:26,054 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:26,054 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:26,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:26,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,086 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:48:26,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:26,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:26,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:26,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:26,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:26,090 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:26,093 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:48:26,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38ae7ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:48:26, skipping insertion in model container [2024-09-12 16:48:26,093 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:48:26,095 INFO L158 Benchmark]: Toolchain (without parser) took 1069.61ms. Allocated memory is still 237.0MB. Free memory was 164.5MB in the beginning and 204.0MB in the end (delta: -39.6MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2024-09-12 16:48:26,095 INFO L158 Benchmark]: Witness Parser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:26,095 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:26,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.80ms. Allocated memory is still 237.0MB. Free memory was 164.0MB in the beginning and 150.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:26,096 INFO L158 Benchmark]: Boogie Preprocessor took 42.81ms. Allocated memory is still 237.0MB. Free memory was 150.7MB in the beginning and 148.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:26,096 INFO L158 Benchmark]: RCFGBuilder took 329.96ms. Allocated memory is still 237.0MB. Free memory was 148.7MB in the beginning and 132.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:26,097 INFO L158 Benchmark]: Referee took 448.32ms. Allocated memory is still 237.0MB. Free memory was 132.5MB in the beginning and 204.0MB in the end (delta: -71.5MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2024-09-12 16:48:26,098 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 16 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 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 22. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from 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 check that procedure precondition always holds at line 21. 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 __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 26. 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 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.80ms. Allocated memory is still 237.0MB. Free memory was 164.0MB in the beginning and 150.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.81ms. Allocated memory is still 237.0MB. Free memory was 150.7MB in the beginning and 148.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.96ms. Allocated memory is still 237.0MB. Free memory was 148.7MB in the beginning and 132.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 448.32ms. Allocated memory is still 237.0MB. Free memory was 132.5MB in the beginning and 204.0MB in the end (delta: -71.5MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:26,124 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