./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/phases_2-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.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-acceleration/phases_2-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.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 16:47:58,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:47:58,380 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:47:58,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:47:58,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:47:58,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:47:58,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:47:58,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:47:58,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:47:58,427 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:47:58,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:47:58,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:47:58,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:47:58,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:47:58,429 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:47:58,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:47:58,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:47:58,431 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:47:58,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:47:58,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:47:58,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:47:58,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:47:58,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:47:58,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:47:58,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:47:58,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:47:58,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:47:58,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:47:58,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:47:58,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:47:58,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:47:58,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:47:58,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:47:58,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:47:58,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:47:58,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:47:58,438 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:47:58,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:47:58,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:47:58,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:47:58,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:47:58,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:47:58,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:47:58,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:47:58,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:47:58,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:47:58,744 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:47:58,745 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:47:58,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-09-12 16:47:58,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:47:58,801 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:47:58,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-12 16:48:00,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:00,481 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:00,482 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-12 16:48:00,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/02d720156/c4aa698de1be4b7c8793596872793ed5/FLAG4ccb421e8 [2024-09-12 16:48:00,870 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/02d720156/c4aa698de1be4b7c8793596872793ed5 [2024-09-12 16:48:00,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:00,872 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:00,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:00,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:00,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:00,880 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 04:47:58" (1/2) ... [2024-09-12 16:48:00,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291a1b4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:00, skipping insertion in model container [2024-09-12 16:48:00,883 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 04:47:58" (1/2) ... [2024-09-12 16:48:00,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b6cfe6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:00, skipping insertion in model container [2024-09-12 16:48:00,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:00" (2/2) ... [2024-09-12 16:48:00,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291a1b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:00, skipping insertion in model container [2024-09-12 16:48:00,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:00" (2/2) ... [2024-09-12 16:48:00,893 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:00,893 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= (y % 4294967296))) [2024-09-12 16:48:00,894 INFO L1541 ArrayList]: Function contract at [L10]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:48:00,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:01,082 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-acceleration/phases_2-2.c[459,472] [2024-09-12 16:48:01,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:01,112 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:48:01,153 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-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-09-12 16:48:01,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:01,182 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:01,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01 WrapperNode [2024-09-12 16:48:01,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:01,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:01,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:01,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:01,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,219 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 16:48:01,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:01,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:01,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:01,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:01,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (1/1) ... [2024-09-12 16:48:01,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:01,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:01,275 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 16:48:01,277 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 16:48:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:48:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:48:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:48:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:48:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:48:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:01,395 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:01,399 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:01,571 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:01,625 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:01,625 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:01,651 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:01,652 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:48:01,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:01 BoogieIcfgContainer [2024-09-12 16:48:01,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:01,654 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:01,655 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:01,655 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:01,656 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 04:47:58" (1/4) ... [2024-09-12 16:48:01,656 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65ab43b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:01, skipping insertion in model container [2024-09-12 16:48:01,657 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:00" (2/4) ... [2024-09-12 16:48:01,658 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65ab43b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:01, skipping insertion in model container [2024-09-12 16:48:01,658 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:01" (3/4) ... [2024-09-12 16:48:01,658 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65ab43b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:01, skipping insertion in model container [2024-09-12 16:48:01,659 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:01" (4/4) ... [2024-09-12 16:48:01,660 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-09-12 16:48:01,664 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:48:01,665 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:48:01,666 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:01,666 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:01,666 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 16:48:01,666 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 16:48:01,667 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-12 16:48:01,717 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:48:01,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:01,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:01,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:01,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:01,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:01,737 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:48:01,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:01,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:01,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:01,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:01,746 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:01,770 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:01,785 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:01,788 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:01,789 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:01,789 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:01,789 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:01,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:01,795 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:01,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:01,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:01,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:01,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:01,797 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:01,802 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:01,816 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:01,816 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:01,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:01,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:01,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:01,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:01,831 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:01,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:01,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:01,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:01,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:01,841 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:05,846 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:48:05,857 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:05,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:05,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:05,858 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:05,858 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:05,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:05,861 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:05,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:05,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:05,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:05,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:05,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:05,864 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:05,879 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:05,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:05,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:05,880 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:05,880 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:05,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:05,882 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:05,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:05,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:05,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:05,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:05,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:05,885 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:48:05,889 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:48:05,889 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65ab43b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:48:05, skipping insertion in model container [2024-09-12 16:48:05,892 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:48:05,894 INFO L158 Benchmark]: Toolchain (without parser) took 5021.12ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 88.2MB in the beginning and 151.5MB in the end (delta: -63.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:05,894 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:05,895 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 146.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:05,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.79ms. Allocated memory is still 146.8MB. Free memory was 87.9MB in the beginning and 75.0MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:05,896 INFO L158 Benchmark]: Boogie Preprocessor took 47.27ms. Allocated memory is still 146.8MB. Free memory was 75.0MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:05,897 INFO L158 Benchmark]: RCFGBuilder took 419.94ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 73.0MB in the beginning and 167.2MB in the end (delta: -94.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:05,898 INFO L158 Benchmark]: Referee took 4237.45ms. Allocated memory is still 205.5MB. Free memory was 167.2MB in the beginning and 151.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:05,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 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 check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from entry of procedure main to loop head 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 0.24ms. Allocated memory is still 146.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.83ms. Allocated memory is still 146.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.79ms. Allocated memory is still 146.8MB. Free memory was 87.9MB in the beginning and 75.0MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.27ms. Allocated memory is still 146.8MB. Free memory was 75.0MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.94ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 73.0MB in the beginning and 167.2MB in the end (delta: -94.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Referee took 4237.45ms. Allocated memory is still 205.5MB. Free memory was 167.2MB in the beginning and 151.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:05,926 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-acceleration/phases_2-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.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 16:48:08,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:08,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:48:08,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:08,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:08,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:08,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:08,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:08,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:08,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:08,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:08,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:08,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:08,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:08,268 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:08,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:08,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:08,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:08,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:08,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:08,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:08,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:08,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:08,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:48:08,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:48:08,272 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:08,273 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:48:08,273 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:08,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:08,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:08,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:08,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:08,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:08,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:08,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:08,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:08,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:08,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:08,279 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:48:08,279 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:48:08,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:08,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:08,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:08,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:08,283 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:48:08,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:08,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:08,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:08,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:08,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:08,682 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:08,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-12 16:48:10,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:10,400 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:10,400 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-12 16:48:10,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7fcff2be7/7dd9ec1ea1c2400eb90bdcfc23c03ee5/FLAGd451587e5 [2024-09-12 16:48:10,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7fcff2be7/7dd9ec1ea1c2400eb90bdcfc23c03ee5 [2024-09-12 16:48:10,430 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:10,430 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:10,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-09-12 16:48:10,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:10,488 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:10,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:10,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:10,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:10,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:10" (1/2) ... [2024-09-12 16:48:10,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1809ef5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:10, skipping insertion in model container [2024-09-12 16:48:10,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:10" (1/2) ... [2024-09-12 16:48:10,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9506e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:10, skipping insertion in model container [2024-09-12 16:48:10,502 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 04:48:10" (2/2) ... [2024-09-12 16:48:10,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1809ef5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10, skipping insertion in model container [2024-09-12 16:48:10,503 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 04:48:10" (2/2) ... [2024-09-12 16:48:10,513 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:10,514 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= (y % 4294967296))) [2024-09-12 16:48:10,514 INFO L1541 ArrayList]: Function contract at [L10]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:48:10,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:10,721 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-acceleration/phases_2-2.c[459,472] [2024-09-12 16:48:10,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:10,755 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:48:10,792 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-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-09-12 16:48:10,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:10,817 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:10,818 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10 WrapperNode [2024-09-12 16:48:10,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:10,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:10,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:10,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:10,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,852 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 16:48:10,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:10,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:10,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:10,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:10,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (1/1) ... [2024-09-12 16:48:10,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:10,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:10,914 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 16:48:10,921 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 16:48:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:48:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:48:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:48:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:48:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:48:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:11,044 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:11,047 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:11,272 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:11,330 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:11,331 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:11,365 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:11,366 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:48:11,367 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:11 BoogieIcfgContainer [2024-09-12 16:48:11,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:11,368 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:11,368 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:11,369 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:11,369 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:10" (1/4) ... [2024-09-12 16:48:11,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ed6bbd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:11, skipping insertion in model container [2024-09-12 16:48:11,370 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 04:48:10" (2/4) ... [2024-09-12 16:48:11,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ed6bbd6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:11, skipping insertion in model container [2024-09-12 16:48:11,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:10" (3/4) ... [2024-09-12 16:48:11,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ed6bbd6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:11, skipping insertion in model container [2024-09-12 16:48:11,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:11" (4/4) ... [2024-09-12 16:48:11,373 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-09-12 16:48:11,377 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:48:11,378 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:48:11,378 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:11,378 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:11,379 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 16:48:11,379 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 16:48:11,379 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:11,438 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:48:11,439 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:11,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:11,440 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:11,441 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:11,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,456 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:48:11,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:11,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:11,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:11,466 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:11,486 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:11,503 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:11,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:11,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:11,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:11,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:11,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,511 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:11,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:11,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:11,512 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:11,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:11,519 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:11,537 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:11,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:11,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:11,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:11,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:11,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,545 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:11,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,546 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:11,546 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:11,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:11,549 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:11,572 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:11,591 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:11,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:11,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:11,592 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:11,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:11,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,600 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:11,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:11,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:11,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:11,602 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:11,604 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:11,614 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:11,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:11,618 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:11,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:11,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:11,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,620 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:11,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:11,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:11,620 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:11,621 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:11,621 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:11,625 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:48:11,628 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:48:11,628 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ed6bbd6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:48:11, skipping insertion in model container [2024-09-12 16:48:11,628 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:48:11,630 INFO L158 Benchmark]: Toolchain (without parser) took 1141.97ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 39.3MB in the end (delta: 1.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-09-12 16:48:11,631 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:11,631 INFO L158 Benchmark]: Witness Parser took 1.53ms. Allocated memory is still 75.5MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:11,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.42ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 47.1MB in the end (delta: -6.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-09-12 16:48:11,632 INFO L158 Benchmark]: Boogie Preprocessor took 56.83ms. Allocated memory is still 75.5MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:11,633 INFO L158 Benchmark]: RCFGBuilder took 490.45ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 31.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:11,633 INFO L158 Benchmark]: Referee took 260.81ms. Allocated memory is still 75.5MB. Free memory was 31.5MB in the beginning and 39.3MB in the end (delta: -7.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 16:48:11,638 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 23 to loop head at line 23. 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 12. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.53ms. Allocated memory is still 75.5MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.42ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 47.1MB in the end (delta: -6.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.83ms. Allocated memory is still 75.5MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.45ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 31.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 260.81ms. Allocated memory is still 75.5MB. Free memory was 31.5MB in the beginning and 39.3MB in the end (delta: -7.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:11,672 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE