This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:50,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:50,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:50,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:50,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:50,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:50,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:50,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:50,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:50,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:50,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:50,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:50,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:50,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:50,930 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:50,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:50,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:50,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:50,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:50,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:50,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:50,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:50,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:50,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:50,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:50,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:50,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:50,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:50,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:50,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:50,936 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:50,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:50,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:50,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:50,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:50,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:50,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:50,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:50,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:50,939 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:50,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:50,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:50,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:50,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:51,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:51,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:51,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:51,231 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:51,232 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:51,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.10.yml/witness-2.1.yml [2024-09-21 12:47:51,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:51,284 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:51,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-09-21 12:47:52,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:52,958 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:52,958 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-09-21 12:47:52,964 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d330fbf2b/c9b7fea8e03147c98aae687ab338ea68/FLAGeedc7550c [2024-09-21 12:47:53,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d330fbf2b/c9b7fea8e03147c98aae687ab338ea68 [2024-09-21 12:47:53,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:53,323 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:53,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:53,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:53,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:53,329 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 12:47:51" (1/2) ... [2024-09-21 12:47:53,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3823a80b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:53, skipping insertion in model container [2024-09-21 12:47:53,330 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 12:47:51" (1/2) ... [2024-09-21 12:47:53,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e19d4e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:53, skipping insertion in model container [2024-09-21 12:47:53,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:53" (2/2) ... [2024-09-21 12:47:53,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3823a80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53, skipping insertion in model container [2024-09-21 12:47:53,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:53" (2/2) ... [2024-09-21 12:47:53,338 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:53,338 INFO L1541 ArrayList]: Loop invariant at [L16-L20] ((1 <= v) && (v <= 52)) [2024-09-21 12:47:53,338 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:53,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:53,496 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-ex4.10.i[813,826] [2024-09-21 12:47:53,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:53,522 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:53,553 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-ex4.10.i[813,826] Start Parsing Local [2024-09-21 12:47:53,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:53,572 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:53,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53 WrapperNode [2024-09-21 12:47:53,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:53,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:53,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:53,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:53,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,615 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 12:47:53,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:53,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:53,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:53,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:53,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (1/1) ... [2024-09-21 12:47:53,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:53,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:53,668 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 12:47:53,670 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 12:47:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:47:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:47:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:53,795 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:53,798 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:53,909 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:53,927 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:53,948 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:53,948 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:53,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:53 BoogieIcfgContainer [2024-09-21 12:47:53,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:53,949 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:53,949 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:53,950 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:53,950 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 12:47:51" (1/4) ... [2024-09-21 12:47:53,951 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44eedd6d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:53, skipping insertion in model container [2024-09-21 12:47:53,951 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:53" (2/4) ... [2024-09-21 12:47:53,951 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44eedd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:53, skipping insertion in model container [2024-09-21 12:47:53,951 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:53" (3/4) ... [2024-09-21 12:47:53,951 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44eedd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:53, skipping insertion in model container [2024-09-21 12:47:53,951 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:53" (4/4) ... [2024-09-21 12:47:53,952 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.10.i [2024-09-21 12:47:53,955 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:53,956 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 12:47:53,956 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 12:47:53,956 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 12:47:53,956 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 12:47:53,957 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:53,957 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 12:47:53,957 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 12:47:53,957 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 12:47:53,957 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:47:54,000 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:47:54,001 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,002 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,002 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,003 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,022 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:47:54,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,042 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:54,056 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:47:54,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,066 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:47:54,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,070 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:54,080 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:54,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,081 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,081 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,087 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:54,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,089 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,095 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:54,110 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:54,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,115 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:54,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,116 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,118 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:54,125 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:54,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,126 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,132 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 12:47:54,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,140 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:54,150 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:54,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,155 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:54,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,161 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:54,170 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:54,171 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,171 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,171 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,171 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,172 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:54,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,173 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,173 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,173 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,181 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:54,187 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:47:54,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:54,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:54,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:54,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:54,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,190 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:47:54,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:54,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:54,191 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:54,191 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:54,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:54,193 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:54,199 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:54,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44eedd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:54, skipping insertion in model container [2024-09-21 12:47:54,199 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:54,201 INFO L158 Benchmark]: Toolchain (without parser) took 877.45ms. Allocated memory is still 180.4MB. Free memory was 123.4MB in the beginning and 77.3MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:54,202 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:54,202 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:54,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.31ms. Allocated memory is still 180.4MB. Free memory was 123.0MB in the beginning and 109.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:54,203 INFO L158 Benchmark]: Boogie Preprocessor took 58.40ms. Allocated memory is still 180.4MB. Free memory was 109.5MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:54,204 INFO L158 Benchmark]: RCFGBuilder took 314.04ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 95.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:54,205 INFO L158 Benchmark]: Referee took 250.00ms. Allocated memory is still 180.4MB. Free memory was 95.7MB in the beginning and 77.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:54,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 17. 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 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 19. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.53ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.31ms. Allocated memory is still 180.4MB. Free memory was 123.0MB in the beginning and 109.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.40ms. Allocated memory is still 180.4MB. Free memory was 109.5MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.04ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 95.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 250.00ms. Allocated memory is still 180.4MB. Free memory was 95.7MB in the beginning and 77.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:54,257 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...