This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:50,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:50,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:50,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:50,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:50,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:50,261 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:50,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:50,262 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:50,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:50,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:50,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:50,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:50,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:50,264 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:50,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:50,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:50,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:50,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:50,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:50,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:50,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:50,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:50,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:50,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:50,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:50,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:50,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:50,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:50,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:50,271 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:50,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:50,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:50,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:50,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:50,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:50,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:50,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:50,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:50,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:50,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:50,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:50,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:50,274 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:50,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:50,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:50,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:50,498 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:50,499 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:50,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.6.yml/witness-2.1.yml [2024-09-21 12:47:50,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:50,581 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:50,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-21 12:47:51,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:51,968 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:51,969 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-21 12:47:51,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/235fa5b58/c97582c066614aaaae96636deb8112e4/FLAG2bdc7173e [2024-09-21 12:47:52,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/235fa5b58/c97582c066614aaaae96636deb8112e4 [2024-09-21 12:47:52,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:52,386 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:52,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:52,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:52,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:52,392 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 12:47:50" (1/2) ... [2024-09-21 12:47:52,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5493860e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,393 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 12:47:50" (1/2) ... [2024-09-21 12:47:52,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50add765 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:52" (2/2) ... [2024-09-21 12:47:52,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5493860e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:52" (2/2) ... [2024-09-21 12:47:52,404 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:52,404 INFO L1541 ArrayList]: Loop invariant at [L16-L20] ((0 <= x) && (x <= 40)) [2024-09-21 12:47:52,404 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:52,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:52,544 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/mine2017-ex4.6.i[812,825] [2024-09-21 12:47:52,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:52,563 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:52,589 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/mine2017-ex4.6.i[812,825] Start Parsing Local [2024-09-21 12:47:52,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:52,605 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:52,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52 WrapperNode [2024-09-21 12:47:52,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:52,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:52,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:52,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:52,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,630 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 12:47:52,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:52,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:52,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:52,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:52,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (1/1) ... [2024-09-21 12:47:52,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:52,677 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 12:47:52,680 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 12:47:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:47:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:47:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:52,784 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:52,788 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:52,884 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:52,893 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:52,937 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:52,938 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:52,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:52 BoogieIcfgContainer [2024-09-21 12:47:52,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:52,941 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:52,941 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:52,942 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:52,942 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 12:47:50" (1/4) ... [2024-09-21 12:47:52,942 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@743111de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,943 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:52" (2/4) ... [2024-09-21 12:47:52,943 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@743111de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,944 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:52" (3/4) ... [2024-09-21 12:47:52,944 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@743111de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,944 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:52" (4/4) ... [2024-09-21 12:47:52,945 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.6.i [2024-09-21 12:47:52,949 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:52,950 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:52,951 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:47:52,951 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 12:47:52,951 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:52,952 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 12:47:52,952 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 12:47:52,952 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:47:52,952 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 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 procedure entry to loop head [2024-09-21 12:47:53,003 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:47:53,004 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:53,005 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:53,005 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:53,007 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:53,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,019 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:47:53,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:53,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:53,021 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:53,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:53,035 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:53,046 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:47:53,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:53,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:53,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:53,049 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:53,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,058 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:47:53,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:53,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:53,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:53,063 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:53,065 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:53,070 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:53,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:53,070 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:53,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:53,071 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:53,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,072 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:53,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:53,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:53,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:53,073 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:53,076 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:53,082 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:53,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:53,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:53,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:53,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:53,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,084 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:53,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:53,085 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:53,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:53,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:53,087 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:53,093 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:53,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:53,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:53,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:53,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:53,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,097 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:53,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:53,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:53,098 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:53,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:53,101 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:53,106 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:53,106 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:53,106 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:53,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:53,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:53,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,108 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:53,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,108 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:53,108 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:53,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:53,109 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:53,110 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:53,115 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:47:53,115 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:53,115 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:53,115 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:53,115 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:53,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,117 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:47:53,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:53,118 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:53,118 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:53,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:53,119 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:53,120 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:53,122 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:53,123 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@743111de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:53, skipping insertion in model container [2024-09-21 12:47:53,123 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:53,124 INFO L158 Benchmark]: Toolchain (without parser) took 737.10ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 76.6MB in the beginning and 159.9MB in the end (delta: -83.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:53,124 INFO L158 Benchmark]: Witness Parser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:53,125 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:53,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.99ms. Allocated memory is still 151.0MB. Free memory was 76.2MB in the beginning and 63.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:53,126 INFO L158 Benchmark]: Boogie Preprocessor took 39.62ms. Allocated memory is still 151.0MB. Free memory was 63.5MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:53,126 INFO L158 Benchmark]: RCFGBuilder took 293.86ms. Allocated memory is still 151.0MB. Free memory was 61.2MB in the beginning and 119.7MB in the end (delta: -58.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:53,127 INFO L158 Benchmark]: Referee took 181.91ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 119.7MB in the beginning and 159.9MB in the end (delta: -40.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:53,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 17. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 19. 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 __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 16 to check that procedure precondition always holds at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 151.0MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.99ms. Allocated memory is still 151.0MB. Free memory was 76.2MB in the beginning and 63.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.62ms. Allocated memory is still 151.0MB. Free memory was 63.5MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.86ms. Allocated memory is still 151.0MB. Free memory was 61.2MB in the beginning and 119.7MB in the end (delta: -58.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Referee took 181.91ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 119.7MB in the beginning and 159.9MB in the end (delta: -40.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:53,152 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...