This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:33,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:33,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:33,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:33,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:33,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:33,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:33,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:33,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:33,246 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:33,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:33,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:33,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:33,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:33,247 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:33,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:33,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:33,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:33,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:33,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:33,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:33,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:33,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:33,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:33,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:33,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:33,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:33,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:33,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:33,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:33,256 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:33,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:33,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:33,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:33,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:33,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:33,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:33,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:33,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:33,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:33,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:33,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:33,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:33,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:33,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:33,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:33,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:33,557 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:33,558 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:33,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex3.yml/witness-2.1.yml [2024-09-21 12:47:33,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:33,639 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:33,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex3.i [2024-09-21 12:47:35,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:35,233 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:35,234 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex3.i [2024-09-21 12:47:35,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/192ef82be/bbc1f5a3026646ef99d20289e3f99f8f/FLAG347954bfd [2024-09-21 12:47:35,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/192ef82be/bbc1f5a3026646ef99d20289e3f99f8f [2024-09-21 12:47:35,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:35,258 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:35,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:35,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:35,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:35,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:33" (1/2) ... [2024-09-21 12:47:35,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39848b4e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:35, skipping insertion in model container [2024-09-21 12:47:35,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:33" (1/2) ... [2024-09-21 12:47:35,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27119452 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:35, skipping insertion in model container [2024-09-21 12:47:35,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:35" (2/2) ... [2024-09-21 12:47:35,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39848b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35, skipping insertion in model container [2024-09-21 12:47:35,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:35" (2/2) ... [2024-09-21 12:47:35,297 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:35,299 INFO L1541 ArrayList]: Loop invariant at [L18-L43] ((m <= 60) && (n <= 60)) [2024-09-21 12:47:35,301 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:35,302 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures 0 [2024-09-21 12:47:35,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:35,543 WARN L248 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-ex3.i[799,812] [2024-09-21 12:47:35,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:35,576 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:35,643 WARN L248 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-ex3.i[799,812] Start Parsing Global Start Parsing Local [2024-09-21 12:47:35,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:35,659 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:35,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35 WrapperNode [2024-09-21 12:47:35,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:35,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:35,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:35,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:35,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,694 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 [2024-09-21 12:47:35,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:35,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:35,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:35,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:35,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:35,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:35,746 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) [2024-09-21 12:47:35,751 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 [2024-09-21 12:47:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:35,856 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:35,858 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:35,954 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:35,962 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:35,979 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:35,979 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:35,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:35 BoogieIcfgContainer [2024-09-21 12:47:35,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:35,983 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:35,983 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:35,984 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:35,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:33" (1/4) ... [2024-09-21 12:47:35,985 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fd1d81 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:35, skipping insertion in model container [2024-09-21 12:47:35,985 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:35" (2/4) ... [2024-09-21 12:47:35,985 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fd1d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:35, skipping insertion in model container [2024-09-21 12:47:35,985 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (3/4) ... [2024-09-21 12:47:35,985 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fd1d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:35, skipping insertion in model container [2024-09-21 12:47:35,986 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:35" (4/4) ... [2024-09-21 12:47:35,986 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex3.i [2024-09-21 12:47:35,989 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:35,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:47:35,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-1 to ERROR_LOC mainErr5ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:35,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:35,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:47:35,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 20 edges. [2024-09-21 12:47:35,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:47:35,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:35,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:35,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:47:35,991 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to error location [2024-09-21 12:47:36,019 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:47:36,020 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,020 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,021 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,021 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,038 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:47:36,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,039 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,051 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:36,066 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:36,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,071 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 12:47:36,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,076 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-1 to error location mainErr5ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:36,083 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:36,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,085 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:36,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,087 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:36,095 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:36,095 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,096 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:36,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,101 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:36,110 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 20 edges [2024-09-21 12:47:36,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,150 INFO L101 BaseMinimizeStates]: Removed 38 edges and 14 locations by large block encoding [2024-09-21 12:47:36,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,168 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:36,176 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 12:47:36,176 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,176 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,176 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,176 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,187 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 12:47:36,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,188 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,188 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,188 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,188 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,191 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:36,197 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:36,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,199 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:36,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,202 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:36,207 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:36,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,208 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,209 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:36,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,210 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:36,216 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 12:47:36,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:36,216 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:36,216 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:36,216 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:36,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,225 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 12:47:36,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:36,225 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:36,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:36,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:36,226 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:36,228 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:36,230 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:36,231 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fd1d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:36, skipping insertion in model container [2024-09-21 12:47:36,231 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:36,232 INFO L158 Benchmark]: Toolchain (without parser) took 974.16ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 94.5MB in the beginning and 166.7MB in the end (delta: -72.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:36,233 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:36,233 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:36,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.10ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 135.6MB in the end (delta: -41.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-09-21 12:47:36,234 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 135.6MB in the beginning and 213.9MB in the end (delta: -78.3MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:36,234 INFO L158 Benchmark]: RCFGBuilder took 275.24ms. Allocated memory is still 243.3MB. Free memory was 213.9MB in the beginning and 200.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:36,235 INFO L158 Benchmark]: Referee took 247.68ms. Allocated memory is still 243.3MB. Free memory was 200.3MB in the beginning and 166.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:36,236 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 18 to check that procedure precondition always holds at line 19. 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 loop head at line 18 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 18 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 18. 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 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 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.10ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 135.6MB in the end (delta: -41.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.41ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 135.6MB in the beginning and 213.9MB in the end (delta: -78.3MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.24ms. Allocated memory is still 243.3MB. Free memory was 213.9MB in the beginning and 200.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 247.68ms. Allocated memory is still 243.3MB. Free memory was 200.3MB in the beginning and 166.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:36,261 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...