This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:03:21,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:21,843 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:03:21,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:21,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:21,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:21,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:21,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:21,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:21,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:21,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:21,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:21,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:21,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:21,885 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:21,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:21,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:21,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:21,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:03:21,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:21,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:21,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:21,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:21,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:21,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:21,892 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:21,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:21,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:21,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:21,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:21,893 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:21,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:21,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:21,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:21,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:21,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:21,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:21,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:03:21,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:03:21,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:21,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:21,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:21,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:21,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:22,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:22,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:22,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:22,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:22,196 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:22,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007b.i [2024-09-13 05:03:23,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:23,890 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:23,891 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007b.i [2024-09-13 05:03:23,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/664719c7f/170f7f26135c484098fb545b1f3942c8/FLAG7f709ecc4 [2024-09-13 05:03:23,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/664719c7f/170f7f26135c484098fb545b1f3942c8 [2024-09-13 05:03:23,919 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:23,920 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:23,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007b.yml/witness-2.1.yml [2024-09-13 05:03:23,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:23,974 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:23,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:23,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:23,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:23,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:23" (1/2) ... [2024-09-13 05:03:23,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57595146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:23, skipping insertion in model container [2024-09-13 05:03:23,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:23" (1/2) ... [2024-09-13 05:03:23,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7578a442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:23, skipping insertion in model container [2024-09-13 05:03:23,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:23" (2/2) ... [2024-09-13 05:03:23,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57595146 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:23, skipping insertion in model container [2024-09-13 05:03:23,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:23" (2/2) ... [2024-09-13 05:03:23,997 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:23,998 INFO L1541 ArrayList]: Loop invariant at [L28-L33] ((((m < n) || (n < 1)) && (0 <= m)) && (0 <= x)) [2024-09-13 05:03:23,998 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:03:24,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:24,172 WARN L247 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/gj2007b.i[895,908] [2024-09-13 05:03:24,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:24,193 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:03:24,224 WARN L247 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/gj2007b.i[895,908] Start Parsing Local [2024-09-13 05:03:24,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:24,243 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:24,243 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:24 WrapperNode [2024-09-13 05:03:24,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:24,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:24,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:24,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:24,257 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,258 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,263 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,271 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 [2024-09-13 05:03:24,272 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,272 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,278 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,285 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,286 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,287 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:24,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:24,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:24,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:24,295 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 13.09 05:03:24" (1/1) ... [2024-09-13 05:03:24,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:24,336 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) [2024-09-13 05:03:24,338 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 [2024-09-13 05:03:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:03:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:03:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:03:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:03:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:03:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:03:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:24,464 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:24,466 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:24,578 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:03:24,596 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:24,619 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:24,619 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:03:24,619 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:24 BoogieIcfgContainer [2024-09-13 05:03:24,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:24,620 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:24,620 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:24,621 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:24,621 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:23" (1/4) ... [2024-09-13 05:03:24,621 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8d09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,621 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:23" (2/4) ... [2024-09-13 05:03:24,622 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8d09c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,622 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 13.09 05:03:24" (3/4) ... [2024-09-13 05:03:24,622 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8d09c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,622 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:24" (4/4) ... [2024-09-13 05:03:24,623 INFO L79 RefereeObserver]: Analyzing ICFG gj2007b.i [2024-09-13 05:03:24,627 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:03:24,628 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:03:24,628 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:03:24,628 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:03:24,629 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 05:03:24,629 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:03:24,629 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:03:24,629 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:24,666 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:24,667 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,667 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,685 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 05:03:24,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,687 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,687 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,707 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,725 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:24,744 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:03:24,744 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,744 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,744 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,744 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,773 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:03:24,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,783 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:24,797 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:03:24,798 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,799 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,799 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,799 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,802 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:03:24,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,816 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:24,829 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 05:03:24,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,852 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-13 05:03:24,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,854 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,854 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,866 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:24,874 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:24,875 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,875 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,875 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,879 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:03:24,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,882 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:03:24,889 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:03:24,889 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,889 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,889 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,890 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,892 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:03:24,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,898 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:03:24,903 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:03:24,903 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8d09c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,904 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:03:24,905 INFO L158 Benchmark]: Toolchain (without parser) took 931.04ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 107.3MB in the beginning and 160.7MB in the end (delta: -53.5MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,906 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 165.7MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:24,906 INFO L158 Benchmark]: Witness Parser took 0.55ms. Allocated memory is still 165.7MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:24,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.24ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 93.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,907 INFO L158 Benchmark]: Boogie Preprocessor took 48.52ms. Allocated memory is still 165.7MB. Free memory was 93.9MB in the beginning and 91.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:24,908 INFO L158 Benchmark]: RCFGBuilder took 326.10ms. Allocated memory is still 165.7MB. Free memory was 91.8MB in the beginning and 79.7MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,908 INFO L158 Benchmark]: Referee took 283.74ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 79.7MB in the beginning and 160.7MB in the end (delta: -81.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,911 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 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 28 to loop head at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. 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 28 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 165.7MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.55ms. Allocated memory is still 165.7MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.24ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 93.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.52ms. Allocated memory is still 165.7MB. Free memory was 93.9MB in the beginning and 91.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.10ms. Allocated memory is still 165.7MB. Free memory was 91.8MB in the beginning and 79.7MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 283.74ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 79.7MB in the beginning and 160.7MB in the end (delta: -81.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:24,935 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...