This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:11:25,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:11:25,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:11:25,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:11:25,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:11:25,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:11:25,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:11:25,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:11:25,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:11:25,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:11:25,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:11:25,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:11:25,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:11:25,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:11:25,898 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:11:25,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:11:25,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:11:25,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:11:25,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:11:25,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:11:25,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:11:25,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:11:25,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:11:25,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:11:25,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:11:25,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:11:25,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:11:25,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:11:25,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:11:25,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:11:25,902 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:11:25,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:11:25,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:11:25,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:11:25,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:11:25,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:11:25,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:11:25,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:11:25,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:11:25,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:11:25,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:11:25,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:11:25,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:11:25,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:11:26,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:11:26,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:11:26,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:11:26,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:11:26,191 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:11:26,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2024-09-13 10:11:27,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:11:27,868 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:11:27,870 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2024-09-13 10:11:27,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/926c83747/be9be276d078421aac9b08af3e881e85/FLAG5d244bfb1 [2024-09-13 10:11:28,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/926c83747/be9be276d078421aac9b08af3e881e85 [2024-09-13 10:11:28,244 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:11:28,245 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:11:28,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple-recursive.yml/witness-2.1.yml [2024-09-13 10:11:28,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:11:28,302 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:11:28,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:11:28,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:11:28,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:11:28,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:28" (1/2) ... [2024-09-13 10:11:28,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20addd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:28, skipping insertion in model container [2024-09-13 10:11:28,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:28" (1/2) ... [2024-09-13 10:11:28,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32acfefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:28, skipping insertion in model container [2024-09-13 10:11:28,315 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 10:11:28" (2/2) ... [2024-09-13 10:11:28,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20addd88 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:11:28, skipping insertion in model container [2024-09-13 10:11:28,316 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 10:11:28" (2/2) ... [2024-09-13 10:11:28,321 INFO L90 nessWitnessExtractor]: Witness did not contain any usable entries. [2024-09-13 10:11:28,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:11:28,522 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/recursive-with-pointer/simple-recursive.c[439,452] [2024-09-13 10:11:28,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:11:28,538 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 10:11:28,552 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/recursive-with-pointer/simple-recursive.c[439,452] [2024-09-13 10:11:28,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:11:28,575 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:11:28,576 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:11:28 WrapperNode [2024-09-13 10:11:28,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:11:28,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:11:28,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:11:28,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:11:28,590 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,591 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,598 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,615 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 2 writes are split as follows [0, 2]. [2024-09-13 10:11:28,616 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,616 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,620 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,623 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,626 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,627 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:11:28,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:11:28,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:11:28,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:11:28,635 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 10:11:28" (1/1) ... [2024-09-13 10:11:28,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:11:28,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:11:28,680 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 10:11:28,686 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 10:11:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:11:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:11:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:11:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-09-13 10:11:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-09-13 10:11:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:11:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:11:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:11:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:11:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:11:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-09-13 10:11:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-09-13 10:11:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:11:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 10:11:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:11:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 10:11:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:11:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 10:11:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:11:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 10:11:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:11:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:11:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:11:28,814 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:11:28,816 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:11:28,926 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:11:28,945 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:11:28,945 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:11:28,946 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:11:28 BoogieIcfgContainer [2024-09-13 10:11:28,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:11:28,946 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:11:28,947 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:11:28,948 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:11:28,948 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:11:28" (1/4) ... [2024-09-13 10:11:28,948 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a13e5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:11:28, skipping insertion in model container [2024-09-13 10:11:28,948 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 10:11:28" (2/4) ... [2024-09-13 10:11:28,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a13e5d7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:11:28, skipping insertion in model container [2024-09-13 10:11:28,949 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 10:11:28" (3/4) ... [2024-09-13 10:11:28,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a13e5d7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:11:28, skipping insertion in model container [2024-09-13 10:11:28,949 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 10:11:28" (4/4) ... [2024-09-13 10:11:28,951 INFO L79 RefereeObserver]: Analyzing ICFG simple-recursive.c [2024-09-13 10:11:28,955 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:11:28,956 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC fooErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-13 10:11:28,956 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to error location [2024-09-13 10:11:28,989 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:11:28,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:11:28,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:11:28,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:11:28,994 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:11:28,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,010 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:11:29,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:11:29,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:11:29,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:11:29,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:11:29,044 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 10:11:29,046 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier1,QUANTIFIED]]] [2024-09-13 10:11:29,047 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 10:11:29,048 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~p!base,]]] [2024-09-13 10:11:29,048 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 10:11:29,048 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a13e5d7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:11:29, skipping insertion in model container [2024-09-13 10:11:29,048 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:11:29,050 INFO L158 Benchmark]: Toolchain (without parser) took 747.77ms. Allocated memory is still 144.7MB. Free memory was 73.4MB in the beginning and 88.4MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:29,050 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:29,051 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:29,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.07ms. Allocated memory is still 144.7MB. Free memory was 73.2MB in the beginning and 108.3MB in the end (delta: -35.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,052 INFO L158 Benchmark]: Boogie Preprocessor took 55.70ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 106.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,053 INFO L158 Benchmark]: RCFGBuilder took 312.19ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 94.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,053 INFO L158 Benchmark]: Referee took 102.08ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 88.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,056 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. [2024-09-13 10:11:29,059 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 10:11:29,059 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier3,QUANTIFIED]]] [2024-09-13 10:11:29,060 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 10:11:29,060 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~p!base,]]] [2024-09-13 10:11:29,061 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 10:11:29,061 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier5,QUANTIFIED]]] [2024-09-13 10:11:29,061 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 10:11:29,061 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~p!base,]]] Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure foo to check that a call to reach_error is unreachable at line 18. One counterexample starts in \old(p)={2:3} and ends in \old(p)={2:3}, p={2:3}. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.07ms. Allocated memory is still 144.7MB. Free memory was 73.2MB in the beginning and 108.3MB in the end (delta: -35.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.70ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 106.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.19ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 94.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 102.08ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 88.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier1,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~p!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier3,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~p!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier5,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~p!base,]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:11:29,096 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...