This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:13,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:13,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:13,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:13,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:13,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:13,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:13,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:13,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:13,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:13,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:13,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:13,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:13,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:13,122 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:13,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:13,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:13,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:13,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:13,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:13,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:13,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:13,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:13,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:13,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:13,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:13,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:13,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:13,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:13,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:13,126 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:13,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:13,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:13,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:13,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:13,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:13,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:13,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:13,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:13,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:13,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:13,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:13,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:13,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:13,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:13,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:13,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:13,370 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:13,371 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:13,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/output/witness-2.1.yml [2024-09-21 19:07:13,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:13,430 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:13,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-21 19:07:14,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:14,848 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:14,849 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-21 19:07:14,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3192bb88b/82a9b1951724465796119c36b2513240/FLAG667f8f5d8 [2024-09-21 19:07:14,872 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3192bb88b/82a9b1951724465796119c36b2513240 [2024-09-21 19:07:14,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:14,874 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:14,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:14,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:14,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:14,880 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 07:07:13" (1/2) ... [2024-09-21 19:07:14,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5960ea33 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:14, skipping insertion in model container [2024-09-21 19:07:14,885 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 07:07:13" (1/2) ... [2024-09-21 19:07:14,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f84d58a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:14, skipping insertion in model container [2024-09-21 19:07:14,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:14" (2/2) ... [2024-09-21 19:07:14,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5960ea33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:14, skipping insertion in model container [2024-09-21 19:07:14,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:14" (2/2) ... [2024-09-21 19:07:14,900 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:14,901 INFO L1541 ArrayList]: Loop invariant at [L17-L22] v == (1) || v == (0) [2024-09-21 19:07:14,901 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:14,901 INFO L1541 ArrayList]: Function contract at [L13]: requires cond == (1), ensures (!(cond == (1)) || (1)) [2024-09-21 19:07:14,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:15,058 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-ex4.8.i[812,825] [2024-09-21 19:07:15,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:15,077 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:15,108 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-ex4.8.i[812,825] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:07:15,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:15,128 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:15,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15 WrapperNode [2024-09-21 19:07:15,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:15,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:15,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:15,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:15,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,158 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 19:07:15,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:15,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:15,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:15,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:15,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (1/1) ... [2024-09-21 19:07:15,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:15,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:15,203 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 19:07:15,207 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 19:07:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:07:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:07:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:07:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:15,311 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:15,313 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:15,337 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:15,393 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:15,400 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:15,425 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:15,425 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:07:15,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:15 BoogieIcfgContainer [2024-09-21 19:07:15,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:15,426 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:15,426 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:15,427 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:15,427 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 07:07:13" (1/4) ... [2024-09-21 19:07:15,428 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15b99731 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:15, skipping insertion in model container [2024-09-21 19:07:15,428 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:14" (2/4) ... [2024-09-21 19:07:15,428 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15b99731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:15, skipping insertion in model container [2024-09-21 19:07:15,428 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15" (3/4) ... [2024-09-21 19:07:15,428 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15b99731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:15, skipping insertion in model container [2024-09-21 19:07:15,429 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:15" (4/4) ... [2024-09-21 19:07:15,430 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.8.i [2024-09-21 19:07:15,437 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:07:15,438 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:15,438 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:07:15,438 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:07:15,438 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:07:15,438 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:15,438 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 19:07:15,438 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 19:07:15,439 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:07:15,439 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-21 19:07:15,475 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:07:15,477 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,477 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,477 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,480 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,516 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:07:15,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,517 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,517 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,518 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,518 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,537 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:15,544 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:07:15,544 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,545 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,560 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:07:15,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,561 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,563 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:15,574 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:15,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,577 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,579 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:15,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,579 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,579 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,584 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:15,594 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 19:07:15,595 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,595 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,595 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,595 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,611 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 19:07:15,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,612 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,619 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,623 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:15,627 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:15,628 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,628 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,628 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,628 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,629 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:15,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,632 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:15,638 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:15,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,641 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:15,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,642 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,646 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:15,655 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:15,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,655 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,655 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,657 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:15,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,657 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,657 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,661 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 19:07:15,666 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:07:15,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:15,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:15,667 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:15,667 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:15,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,675 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 19:07:15,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:15,675 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:15,676 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:15,676 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:15,676 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:15,679 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:15,682 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 19:07:15,683 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15b99731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:15, skipping insertion in model container [2024-09-21 19:07:15,684 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:15,686 INFO L158 Benchmark]: Toolchain (without parser) took 811.20ms. Allocated memory is still 182.5MB. Free memory was 151.1MB in the beginning and 109.3MB in the end (delta: 41.8MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-09-21 19:07:15,686 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:15,686 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:15,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.27ms. Allocated memory is still 182.5MB. Free memory was 150.9MB in the beginning and 140.7MB in the end (delta: 10.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-09-21 19:07:15,688 INFO L158 Benchmark]: Boogie Preprocessor took 43.03ms. Allocated memory is still 182.5MB. Free memory was 140.7MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:15,688 INFO L158 Benchmark]: RCFGBuilder took 252.39ms. Allocated memory is still 182.5MB. Free memory was 138.6MB in the beginning and 128.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:07:15,689 INFO L158 Benchmark]: Referee took 257.90ms. Allocated memory is still 182.5MB. Free memory was 128.1MB in the beginning and 109.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:07:15,691 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 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. 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 17 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.27ms. Allocated memory is still 182.5MB. Free memory was 150.9MB in the beginning and 140.7MB in the end (delta: 10.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.03ms. Allocated memory is still 182.5MB. Free memory was 140.7MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.39ms. Allocated memory is still 182.5MB. Free memory was 138.6MB in the beginning and 128.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 257.90ms. Allocated memory is still 182.5MB. Free memory was 128.1MB in the beginning and 109.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 19:07:15,718 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...