This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:31,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:31,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:31,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:31,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:31,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:31,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:31,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:31,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:31,880 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:31,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:31,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:31,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:31,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:31,882 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:31,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:31,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:31,884 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:31,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:31,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:31,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:31,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:31,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:31,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:31,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:31,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:31,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:31,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:31,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:31,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:31,892 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:31,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:31,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:31,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:31,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:31,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:31,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:31,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:31,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:31,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:31,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:31,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:31,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:31,896 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:32,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:32,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:32,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:32,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:32,172 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:32,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark51_polynomial.i [2024-09-13 10:08:33,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:33,745 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:33,746 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark51_polynomial.i [2024-09-13 10:08:33,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/015eb8900/c6ee1d604b694b86825f7f09455a1c66/FLAG431648453 [2024-09-13 10:08:33,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/015eb8900/c6ee1d604b694b86825f7f09455a1c66 [2024-09-13 10:08:33,765 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:33,766 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:33,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark51_polynomial.yml/witness-2.1.yml [2024-09-13 10:08:33,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:33,818 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:33,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:33,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:33,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:33,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:33" (1/2) ... [2024-09-13 10:08:33,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703fee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:33, skipping insertion in model container [2024-09-13 10:08:33,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:33" (1/2) ... [2024-09-13 10:08:33,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@127814b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:33, skipping insertion in model container [2024-09-13 10:08:33,830 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 10:08:33" (2/2) ... [2024-09-13 10:08:33,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703fee6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:33, skipping insertion in model container [2024-09-13 10:08:33,831 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 10:08:33" (2/2) ... [2024-09-13 10:08:33,839 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:33,840 INFO L1541 ArrayList]: Loop invariant at [L22-L26] ((0 <= x) && (x <= 50)) [2024-09-13 10:08:33,841 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:33,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:34,055 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark51_polynomial.i[872,885] [2024-09-13 10:08:34,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:34,075 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:34,108 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark51_polynomial.i[872,885] Start Parsing Local [2024-09-13 10:08:34,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:34,125 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:34,125 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:34 WrapperNode [2024-09-13 10:08:34,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:34,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:34,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:34,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:34,139 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,140 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,146 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,163 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 10:08:34,164 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,164 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,168 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,171 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,173 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,174 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:34,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:34,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:34,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:34,177 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 10:08:34" (1/1) ... [2024-09-13 10:08:34,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:34,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:34,218 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 10:08:34,222 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 10:08:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:08:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:08:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-13 10:08:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:34,348 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:34,351 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:34,447 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:34,458 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:34,490 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:34,491 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:34,491 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:34 BoogieIcfgContainer [2024-09-13 10:08:34,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:34,492 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:34,492 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:34,493 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:34,493 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:33" (1/4) ... [2024-09-13 10:08:34,494 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f312ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:34, skipping insertion in model container [2024-09-13 10:08:34,494 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 10:08:33" (2/4) ... [2024-09-13 10:08:34,494 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f312ffd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:34, skipping insertion in model container [2024-09-13 10:08:34,495 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 10:08:34" (3/4) ... [2024-09-13 10:08:34,495 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f312ffd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:34, skipping insertion in model container [2024-09-13 10:08:34,495 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 10:08:34" (4/4) ... [2024-09-13 10:08:34,496 INFO L79 RefereeObserver]: Analyzing ICFG benchmark51_polynomial.i [2024-09-13 10:08:34,500 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:34,501 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:08:34,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:34,502 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:34,502 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 10:08:34,502 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 10:08:34,503 INFO L130 InvariantChecker]: Will check 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, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:08:34,546 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:08:34,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:34,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:34,548 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:34,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:34,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,606 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-13 10:08:34,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:34,608 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:34,608 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:34,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:34,640 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:34,651 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:34,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:34,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:34,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:34,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:34,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,655 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:34,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:34,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:34,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:34,656 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:34,660 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:34,669 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:34,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:34,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:34,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:34,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:34,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,677 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:34,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:34,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:34,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:34,680 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:34,682 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:34,691 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:34,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:34,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:34,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:34,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:34,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,696 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:34,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:34,697 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:34,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:34,698 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:34,700 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:34,710 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:34,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:34,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:34,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:34,710 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:34,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,713 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:34,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:34,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:34,714 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:34,714 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:34,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:34,717 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:34,720 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:34,721 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f312ffd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:34, skipping insertion in model container [2024-09-13 10:08:34,721 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:34,722 INFO L158 Benchmark]: Toolchain (without parser) took 904.26ms. Allocated memory is still 159.4MB. Free memory was 87.9MB in the beginning and 95.4MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:34,723 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:34,723 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory was 89.9MB in the beginning and 89.7MB in the end (delta: 141.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:34,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.32ms. Allocated memory is still 159.4MB. Free memory was 87.7MB in the beginning and 126.3MB in the end (delta: -38.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:34,724 INFO L158 Benchmark]: Boogie Preprocessor took 48.71ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:34,725 INFO L158 Benchmark]: RCFGBuilder took 315.07ms. Allocated memory is still 159.4MB. Free memory was 124.2MB in the beginning and 112.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:34,725 INFO L158 Benchmark]: Referee took 229.15ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 95.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:08:34,728 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 22 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 22. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory was 89.9MB in the beginning and 89.7MB in the end (delta: 141.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.32ms. Allocated memory is still 159.4MB. Free memory was 87.7MB in the beginning and 126.3MB in the end (delta: -38.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.71ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.07ms. Allocated memory is still 159.4MB. Free memory was 124.2MB in the beginning and 112.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 229.15ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 95.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:34,762 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...