This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:07,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:07,321 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:07,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:07,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:07,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:07,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:07,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:07,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:07,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:07,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:07,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:07,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:07,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:07,352 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:07,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:07,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:07,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:07,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:07,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:07,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:07,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:07,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:07,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:07,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:07,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:07,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:07,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:07,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:07,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:07,357 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:07,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:07,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:07,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:07,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:07,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:07,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:07,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:07,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:07,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:07,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:07,360 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:07,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:07,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:07,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:07,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:07,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:07,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:07,534 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:07,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/array_3-1.i [2024-09-13 05:02:08,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:08,846 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:08,847 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/array_3-1.i [2024-09-13 05:02:08,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0b4d20b78/1132dac08def4fa4bfa0d5a2f61aebe0/FLAGc6a1f796c [2024-09-13 05:02:08,861 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0b4d20b78/1132dac08def4fa4bfa0d5a2f61aebe0 [2024-09-13 05:02:08,863 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:08,863 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:08,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/array_3-1.yml/witness-2.1.yml [2024-09-13 05:02:08,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:08,898 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:08,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:08,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:08,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:08,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:08" (1/2) ... [2024-09-13 05:02:08,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138e0cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:08, skipping insertion in model container [2024-09-13 05:02:08,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:08" (1/2) ... [2024-09-13 05:02:08,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3efe936a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:08, skipping insertion in model container [2024-09-13 05:02:08,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:08" (2/2) ... [2024-09-13 05:02:08,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138e0cf0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:08, skipping insertion in model container [2024-09-13 05:02:08,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:08" (2/2) ... [2024-09-13 05:02:08,915 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:08,915 INFO L1541 ArrayList]: Loop invariant at [L28-L32] (i < 1024) [2024-09-13 05:02:08,915 INFO L1541 ArrayList]: Loop invariant at [L24-L26] (i < 1025) [2024-09-13 05:02:08,916 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:02:08,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:09,048 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/array_3-1.i[849,862] [2024-09-13 05:02:09,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:09,063 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:02:09,091 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/array_3-1.i[849,862] Start Parsing Local Start Parsing Local [2024-09-13 05:02:09,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:09,109 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:09,109 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:09 WrapperNode [2024-09-13 05:02:09,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:09,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:09,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:09,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:09,119 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,119 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,126 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,132 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 [2024-09-13 05:02:09,132 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,132 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,136 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,141 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,141 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,142 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:09,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:09,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:09,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:09,147 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 13.09 05:02:09" (1/1) ... [2024-09-13 05:02:09,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:09,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:09,166 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) [2024-09-13 05:02:09,168 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 [2024-09-13 05:02:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:02:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:02:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:02:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:02:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:02:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:09,258 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:09,260 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:09,346 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:02:09,356 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:09,376 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:09,376 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:02:09,377 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:09 BoogieIcfgContainer [2024-09-13 05:02:09,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:09,377 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:09,377 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:09,378 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:09,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:08" (1/4) ... [2024-09-13 05:02:09,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c18a42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:09, skipping insertion in model container [2024-09-13 05:02:09,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:08" (2/4) ... [2024-09-13 05:02:09,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c18a42a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:09, skipping insertion in model container [2024-09-13 05:02:09,379 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 13.09 05:02:09" (3/4) ... [2024-09-13 05:02:09,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c18a42a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:09, skipping insertion in model container [2024-09-13 05:02:09,379 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:09" (4/4) ... [2024-09-13 05:02:09,380 INFO L79 RefereeObserver]: Analyzing ICFG array_3-1.i [2024-09-13 05:02:09,382 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:02:09,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-5 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:02:09,383 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:02:09,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:09,383 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:02:09,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:02:09,384 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-5 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:02:09,384 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:02:09,384 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:02:09,407 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:02:09,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:09,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:09,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:09,413 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:09,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,432 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:02:09,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:09,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:09,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:09,438 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:09,452 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-5 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:02:09,458 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:02:09,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:09,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:09,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:09,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:09,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,460 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:02:09,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:09,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:09,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:09,461 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:09,465 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:09,471 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:09,472 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:09,472 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:09,472 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:09,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:09,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,475 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:09,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:09,476 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:09,476 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:09,476 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:09,478 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:09,491 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:09,492 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:09,492 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:09,492 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:09,492 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:09,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,494 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:09,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:09,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:09,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:09,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:09,498 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:02:09,504 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:09,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:09,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:09,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:09,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:09,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,509 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 05:02:09,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:09,511 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:09,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:09,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:09,515 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:09,521 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:02:09,523 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:09,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:09,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:09,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:09,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,526 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:02:09,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,528 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:09,528 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:09,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:09,529 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:09,533 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-5 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:09,542 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:09,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:09,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:09,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:09,542 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:09,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,543 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:09,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:09,543 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:09,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:09,543 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:09,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:09,546 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:02:09,549 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:02:09,550 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c18a42a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:09, skipping insertion in model container [2024-09-13 05:02:09,550 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:02:09,552 INFO L158 Benchmark]: Toolchain (without parser) took 653.07ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 103.4MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:09,552 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:09,553 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:09,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.97ms. Allocated memory is still 169.9MB. Free memory was 98.1MB in the beginning and 135.5MB in the end (delta: -37.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-09-13 05:02:09,554 INFO L158 Benchmark]: Boogie Preprocessor took 35.46ms. Allocated memory is still 169.9MB. Free memory was 135.5MB in the beginning and 133.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:09,554 INFO L158 Benchmark]: RCFGBuilder took 231.01ms. Allocated memory is still 169.9MB. Free memory was 133.3MB in the beginning and 120.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:09,555 INFO L158 Benchmark]: Referee took 172.90ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 103.4MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 05:02:09,557 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 entry of procedure main to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 28 to loop head at line 28. 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 loop head at line 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 28. 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: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 169.9MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.97ms. Allocated memory is still 169.9MB. Free memory was 98.1MB in the beginning and 135.5MB in the end (delta: -37.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.46ms. Allocated memory is still 169.9MB. Free memory was 135.5MB in the beginning and 133.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 231.01ms. Allocated memory is still 169.9MB. Free memory was 133.3MB in the beginning and 120.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 172.90ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 103.4MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:09,579 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...