./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark04_conjunctive.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-zilu/benchmark04_conjunctive.i ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark04_conjunctive.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:11:27,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:11:27,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:11:27,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:11:27,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:11:27,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:11:27,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:11:27,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:11:27,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:11:27,527 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:11:27,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:11:27,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:11:27,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:11:27,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:11:27,531 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:11:27,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:11:27,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:11:27,532 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:11:27,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:11:27,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:11:27,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:11:27,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:11:27,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:11:27,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:11:27,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:11:27,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:11:27,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:11:27,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:11:27,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:11:27,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:11:27,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:11:27,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:11:27,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:27,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:11:27,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:11:27,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:11:27,538 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:11:27,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:11:27,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:11:27,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:11:27,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:11:27,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:11:27,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:11:27,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:11:27,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:11:27,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:11:27,801 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:11:27,802 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:11:27,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark04_conjunctive.yml/witness-2.1.yml [2024-09-12 20:11:27,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:11:27,875 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:11:27,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2024-09-12 20:11:29,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:11:29,437 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:11:29,437 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2024-09-12 20:11:29,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e359ade15/e095fad4f00744479bb8878b6d2f3737/FLAGa9ffcc6d6 [2024-09-12 20:11:29,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e359ade15/e095fad4f00744479bb8878b6d2f3737 [2024-09-12 20:11:29,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:11:29,840 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:11:29,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:29,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:11:29,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:11:29,846 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 08:11:27" (1/2) ... [2024-09-12 20:11:29,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5b4656 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:29, skipping insertion in model container [2024-09-12 20:11:29,847 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 08:11:27" (1/2) ... [2024-09-12 20:11:29,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57ee40e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:29, skipping insertion in model container [2024-09-12 20:11:29,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:29" (2/2) ... [2024-09-12 20:11:29,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5b4656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:29, skipping insertion in model container [2024-09-12 20:11:29,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:29" (2/2) ... [2024-09-12 20:11:29,856 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:11:29,856 INFO L1541 ArrayList]: Loop invariant at [L24-L27] ((((((n <= (k + j)) && (1 <= n)) && (0 <= k)) && (0 <= j)) && (n <= 2147483647)) && (k <= 2147483647)) [2024-09-12 20:11:29,856 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:11:29,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:11:30,000 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-zilu/benchmark04_conjunctive.i[873,886] [2024-09-12 20:11:30,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:30,024 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:11:30,086 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-zilu/benchmark04_conjunctive.i[873,886] Start Parsing Local [2024-09-12 20:11:30,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:30,112 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:11:30,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30 WrapperNode [2024-09-12 20:11:30,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:30,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:11:30,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:11:30,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:11:30,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,165 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 20:11:30,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:11:30,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:11:30,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:11:30,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:11:30,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (1/1) ... [2024-09-12 20:11:30,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:11:30,200 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 20:11:30,202 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 20:11:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:11:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:11:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:11:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:11:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:11:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:11:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 20:11:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 20:11:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:11:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:11:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:11:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-12 20:11:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:11:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:11:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:11:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:11:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:11:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:11:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:11:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:11:30,305 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:11:30,307 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:11:30,429 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:11:30,459 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-09-12 20:11:30,459 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:11:30,477 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:11:30,478 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:11:30,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:30 BoogieIcfgContainer [2024-09-12 20:11:30,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:11:30,479 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:11:30,479 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:11:30,480 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:11:30,480 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 08:11:27" (1/4) ... [2024-09-12 20:11:30,481 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5333feef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:30, skipping insertion in model container [2024-09-12 20:11:30,481 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:11:29" (2/4) ... [2024-09-12 20:11:30,481 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5333feef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:30, skipping insertion in model container [2024-09-12 20:11:30,481 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:30" (3/4) ... [2024-09-12 20:11:30,482 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5333feef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:30, skipping insertion in model container [2024-09-12 20:11:30,482 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:30" (4/4) ... [2024-09-12 20:11:30,483 INFO L79 RefereeObserver]: Analyzing ICFG benchmark04_conjunctive.i [2024-09-12 20:11:30,486 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:11:30,487 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 20:11:30,487 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:11:30,487 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr11ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:11:30,488 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 7 edges. [2024-09-12 20:11:30,488 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:11:30,488 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:11:30,488 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:11:30,488 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 6 edges. [2024-09-12 20:11:30,489 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:11:30,489 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:11:30,489 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:11:30,489 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr12REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:11:30,489 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 20:11:30,489 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-10 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 1 edges. [2024-09-12 20:11:30,490 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 20:11:30,490 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location [2024-09-12 20:11:30,529 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:11:30,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,566 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:11:30,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,590 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:30,608 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:11:30,611 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,614 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:11:30,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,614 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,614 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,614 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,633 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:11:30,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,634 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,634 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,635 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,663 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:11:30,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,664 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,664 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,683 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:11:30,683 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,684 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,684 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,684 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,691 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:11:30,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,692 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,704 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:30,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,712 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:30,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,714 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:30,727 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:11:30,727 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,727 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,732 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:11:30,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,733 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,733 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,733 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,733 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,735 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:30,742 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:11:30,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,743 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,745 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:11:30,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,746 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,746 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,757 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:11:30,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,763 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:11:30,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,776 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:11:30,776 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,791 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:11:30,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,806 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:11:30,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,816 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:11:30,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,817 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,817 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,818 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,834 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:11:30,834 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,834 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,835 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,835 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,838 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:11:30,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,850 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:30,850 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,854 INFO L101 BaseMinimizeStates]: Removed 7 edges and 3 locations by large block encoding [2024-09-12 20:11:30,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,855 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,870 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:30,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,871 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,871 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,871 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,873 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:30,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,877 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:11:30,883 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-12 20:11:30,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,896 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:30,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:30,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:30,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:30,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:30,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,899 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:30,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:30,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:30,899 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:30,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:30,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:30,902 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:11:30,911 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:11:30,911 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5333feef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:11:30, skipping insertion in model container [2024-09-12 20:11:30,911 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:11:30,913 INFO L158 Benchmark]: Toolchain (without parser) took 1072.70ms. Allocated memory is still 159.4MB. Free memory was 87.3MB in the beginning and 61.9MB in the end (delta: 25.4MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-09-12 20:11:30,914 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:30,914 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 159.4MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:30,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.84ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 130.2MB in the end (delta: -43.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:30,915 INFO L158 Benchmark]: Boogie Preprocessor took 60.24ms. Allocated memory is still 159.4MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 20:11:30,916 INFO L158 Benchmark]: RCFGBuilder took 304.02ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 112.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:30,916 INFO L158 Benchmark]: Referee took 432.49ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 61.9MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-12 20:11:30,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 24. One counterexample starts in j=0, k=2147483648, n=1 and ends in n=1. Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 26. One counterexample starts in j=0, k=-2147483648, n=1 and ends in j=1, n=1. Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 25. One counterexample starts in j=-2147483650, n=0 and ends in n=0. Annotation is not valid for all loop-free paths from loop head at line 24 to check that invariant of correctness witness holds at line 24. One counterexample starts in j=-2, k=0, n=-1 and ends in . Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 24. One counterexample starts in n=2147483649 and ends in . Annotation is not valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 24. One counterexample starts in j=0, k=-1, n=0 and ends in . Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 24. One counterexample starts in n=-2147483648 and ends in . Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 26. One counterexample starts in j=0, k=2147483649, n=1 and ends in j=1, n=1. Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 24. One counterexample starts in j=-2, k=-2147483647, n=0 and ends in n=0. Annotation is not valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 25. One counterexample starts in j=2147483647, n=2147483648 and ends in n=2147483648. 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 16. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 24. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.85ms. Allocated memory is still 159.4MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.84ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 130.2MB in the end (delta: -43.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.24ms. Allocated memory is still 159.4MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 304.02ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 112.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 432.49ms. Allocated memory is still 159.4MB. Free memory was 112.8MB in the beginning and 61.9MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:11:30,952 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE