This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:20,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:20,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:20,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:20,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:20,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:20,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:20,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:20,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:20,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:20,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:20,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:20,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:20,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:20,358 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:20,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:20,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:20,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:20,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:20,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:20,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:20,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:20,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:20,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:20,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:20,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:20,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:20,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:20,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:20,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:20,364 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:20,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:20,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:20,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:20,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:20,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:20,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:20,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:20,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:20,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:20,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:20,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:20,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:20,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:20,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:20,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:20,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:20,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:20,635 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:20,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gsv2008.i [2024-09-25 00:27:22,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:22,231 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:22,232 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gsv2008.i [2024-09-25 00:27:22,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cadd43f33/b3343d6ad01c4fa9b89f925eaa952af6/FLAG18fa19f1d [2024-09-25 00:27:22,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cadd43f33/b3343d6ad01c4fa9b89f925eaa952af6 [2024-09-25 00:27:22,633 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:22,633 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:22,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gsv2008.yml/witness-2.1.yml [2024-09-25 00:27:22,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:22,694 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:22,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:22,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:22,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:22,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:22" (1/2) ... [2024-09-25 00:27:22,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264797ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:22, skipping insertion in model container [2024-09-25 00:27:22,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:22" (1/2) ... [2024-09-25 00:27:22,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c294be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:22, skipping insertion in model container [2024-09-25 00:27:22,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:22" (2/2) ... [2024-09-25 00:27:22,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264797ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:22, skipping insertion in model container [2024-09-25 00:27:22,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:22" (2/2) ... [2024-09-25 00:27:22,717 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:22,718 INFO L1541 ArrayList]: Loop invariant at [L29-L32] ((x < 0) || (0 < y)) [2024-09-25 00:27:22,718 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:27:22,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:22,932 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/gsv2008.i[895,908] [2024-09-25 00:27:22,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:22,953 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:27:22,990 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/gsv2008.i[895,908] Start Parsing Local [2024-09-25 00:27:22,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:23,014 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:23,015 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23 WrapperNode [2024-09-25 00:27:23,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:23,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:23,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:23,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:23,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,057 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 [2024-09-25 00:27:23,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:23,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:23,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:23,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:23,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:23,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:23,111 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) [2024-09-25 00:27:23,113 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 [2024-09-25 00:27:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:27:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:23,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:27:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:27:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:27:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:27:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:27:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:23,212 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:23,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:23,300 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:27:23,310 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:23,330 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:23,333 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:27:23,334 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:23 BoogieIcfgContainer [2024-09-25 00:27:23,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:23,334 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:23,334 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:23,335 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:23,335 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:22" (1/4) ... [2024-09-25 00:27:23,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29eb78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,335 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:22" (2/4) ... [2024-09-25 00:27:23,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29eb78f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:23" (3/4) ... [2024-09-25 00:27:23,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29eb78f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:23" (4/4) ... [2024-09-25 00:27:23,337 INFO L79 RefereeObserver]: Analyzing ICFG gsv2008.i [2024-09-25 00:27:23,344 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:27:23,344 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:27:23,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:23,345 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:23,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:23,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:23,345 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-25 00:27:23,379 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:27:23,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:23,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:23,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:23,382 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:23,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,390 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:27:23,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:23,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:23,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:23,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:23,427 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:27:23,449 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:23,449 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:23,450 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:23,450 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:23,450 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:23,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,458 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:23,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:23,458 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:23,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:23,459 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:23,468 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:23,475 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:23,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:23,476 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:23,476 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:23,476 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:23,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,480 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:23,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,481 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:23,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:23,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:23,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:23,484 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:23,492 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:23,493 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:23,493 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:23,493 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:23,493 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:23,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,497 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:27:23,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:23,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:23,498 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:23,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:23,501 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:27:23,509 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:23,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:23,510 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:23,510 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:23,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:23,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,512 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:23,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:23,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:23,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:23,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:23,514 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:23,518 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:23,518 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29eb78f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,519 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:23,520 INFO L158 Benchmark]: Toolchain (without parser) took 825.74ms. Allocated memory is still 172.0MB. Free memory was 144.2MB in the beginning and 105.7MB in the end (delta: 38.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,521 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:23,521 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 142.6MB in the beginning and 142.6MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:23,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.85ms. Allocated memory is still 172.0MB. Free memory was 144.2MB in the beginning and 130.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,522 INFO L158 Benchmark]: Boogie Preprocessor took 55.18ms. Allocated memory is still 172.0MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,523 INFO L158 Benchmark]: RCFGBuilder took 261.46ms. Allocated memory is still 172.0MB. Free memory was 128.7MB in the beginning and 117.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,523 INFO L158 Benchmark]: Referee took 184.61ms. Allocated memory is still 172.0MB. Free memory was 117.6MB in the beginning and 105.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. 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 19. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 142.6MB in the beginning and 142.6MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.85ms. Allocated memory is still 172.0MB. Free memory was 144.2MB in the beginning and 130.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.18ms. Allocated memory is still 172.0MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.46ms. Allocated memory is still 172.0MB. Free memory was 128.7MB in the beginning and 117.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 184.61ms. Allocated memory is still 172.0MB. Free memory was 117.6MB in the beginning and 105.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:23,557 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...