This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:36,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:36,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:36,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:36,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:36,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:36,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:36,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:36,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:36,545 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:36,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:36,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:36,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:36,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:36,548 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:36,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:36,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:36,548 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:36,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:36,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:36,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:36,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:36,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:36,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:36,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:36,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:36,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:36,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:36,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:36,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:36,552 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:36,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:36,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:36,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:36,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:36,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:36,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:36,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:36,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:36,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:36,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:36,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:36,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:36,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:36,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:36,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:36,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:36,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:36,763 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:36,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-13 10:07:38,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:38,320 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:38,322 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-13 10:07:38,329 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e714baa5f/1a111376949045c49ace56ea81107c37/FLAG0a4fb721f [2024-09-13 10:07:38,347 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e714baa5f/1a111376949045c49ace56ea81107c37 [2024-09-13 10:07:38,350 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:38,351 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:38,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.yml/witness-2.1.yml [2024-09-13 10:07:38,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:38,397 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:38,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:38,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:38,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:38,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:38" (1/2) ... [2024-09-13 10:07:38,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9eb29d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:38, skipping insertion in model container [2024-09-13 10:07:38,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:38" (1/2) ... [2024-09-13 10:07:38,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d8da0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:38, skipping insertion in model container [2024-09-13 10:07:38,408 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 10:07:38" (2/2) ... [2024-09-13 10:07:38,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9eb29d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:38, skipping insertion in model container [2024-09-13 10:07:38,408 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 10:07:38" (2/2) ... [2024-09-13 10:07:38,419 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:38,420 INFO L1541 ArrayList]: Loop invariant at [L16-L31] ((0 < i) || (i == 0)) [2024-09-13 10:07:38,420 INFO L1541 ArrayList]: Loop invariant at [L18-L25] ((((((j <= 4) && (2 <= j)) && (j == ((long long) i * 2))) || ((((((long long) i * 2) <= ((long long) j + 6)) && (j <= 4)) && (2 <= j)) && (((long long) j + 2) <= ((long long) i * 2)))) || (((j == 0) && (1 <= i)) && (i <= 3))) || ((j == 0) && (i == 0))) [2024-09-13 10:07:38,420 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:38,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:38,565 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i[804,817] [2024-09-13 10:07:38,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:38,591 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:38,622 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i[804,817] Start Parsing Local Start Parsing Local [2024-09-13 10:07:38,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:38,651 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:38,652 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:38 WrapperNode [2024-09-13 10:07:38,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:38,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:38,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:38,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:38,663 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,664 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,668 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,679 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 10:07:38,680 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,680 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,683 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,687 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,687 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,689 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:38,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:38,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:38,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:38,693 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 10:07:38" (1/1) ... [2024-09-13 10:07:38,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:38,722 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 10:07:38,758 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 10:07:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:07:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:07:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:38,929 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:38,935 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:39,146 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:39,176 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:39,215 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:39,221 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:07:39,222 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:39 BoogieIcfgContainer [2024-09-13 10:07:39,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:39,222 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:39,223 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:39,223 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:39,224 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:38" (1/4) ... [2024-09-13 10:07:39,225 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e4ec7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:39, skipping insertion in model container [2024-09-13 10:07:39,227 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 10:07:38" (2/4) ... [2024-09-13 10:07:39,227 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e4ec7a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:39, skipping insertion in model container [2024-09-13 10:07:39,227 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 10:07:38" (3/4) ... [2024-09-13 10:07:39,228 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e4ec7a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:39, skipping insertion in model container [2024-09-13 10:07:39,228 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 10:07:39" (4/4) ... [2024-09-13 10:07:39,229 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex1-poly.i [2024-09-13 10:07:39,237 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:07:39,238 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 10:07:39,238 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:39,238 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:07:39,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:07:39,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:39,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 10:07:39,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:07:39,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 10:07:39,239 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 10:07:39,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:07:39,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:39,240 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 10:07:39,240 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 10:07:39,240 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:39,246 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:07:39,316 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 10:07:39,319 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,361 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:07:39,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,410 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,429 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:39,430 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,431 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,438 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:39,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,444 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,445 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,445 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,445 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,447 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,468 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:39,468 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,472 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,479 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:07:39,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,487 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,494 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,507 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:07:39,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,513 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,517 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,517 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,534 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:07:39,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,544 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:39,558 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:39,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,558 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,558 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,558 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,560 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:39,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,569 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:39,580 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:07:39,584 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,584 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,584 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,584 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,601 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:07:39,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,604 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,609 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,618 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:07:39,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,620 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,621 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,632 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-13 10:07:39,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,640 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,648 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,657 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-13 10:07:39,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,660 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,660 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,683 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-13 10:07:39,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,694 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:39,698 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:07:39,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,702 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,702 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,706 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:07:39,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,707 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,707 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,707 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,707 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,714 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:39,723 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:07:39,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,734 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:07:39,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,748 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,758 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:39,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,765 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:39,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,773 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,783 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:39,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,788 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,790 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:39,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,790 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,790 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,790 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,797 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:39,806 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:39,810 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,811 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:39,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,812 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,812 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,812 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,814 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:39,826 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:07:39,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:39,826 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:39,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:39,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:39,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,835 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:07:39,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:39,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:39,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:39,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:39,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:39,842 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:39,844 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:39,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e4ec7a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:39, skipping insertion in model container [2024-09-13 10:07:39,845 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:39,850 INFO L158 Benchmark]: Toolchain (without parser) took 1448.52ms. Allocated memory is still 203.4MB. Free memory was 133.3MB in the beginning and 103.8MB in the end (delta: 29.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:39,851 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:39,851 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 203.4MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:39,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.80ms. Allocated memory is still 203.4MB. Free memory was 133.0MB in the beginning and 119.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:39,852 INFO L158 Benchmark]: Boogie Preprocessor took 38.07ms. Allocated memory is still 203.4MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:39,852 INFO L158 Benchmark]: RCFGBuilder took 530.39ms. Allocated memory is still 203.4MB. Free memory was 117.6MB in the beginning and 164.7MB in the end (delta: -47.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:39,852 INFO L158 Benchmark]: Referee took 622.78ms. Allocated memory is still 203.4MB. Free memory was 164.7MB in the beginning and 103.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-13 10:07:39,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 203.4MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.80ms. Allocated memory is still 203.4MB. Free memory was 133.0MB in the beginning and 119.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.07ms. Allocated memory is still 203.4MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.39ms. Allocated memory is still 203.4MB. Free memory was 117.6MB in the beginning and 164.7MB in the end (delta: -47.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Referee took 622.78ms. Allocated memory is still 203.4MB. Free memory was 164.7MB in the beginning and 103.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:39,902 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...