This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:11:26,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:11:26,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:11:26,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:11:26,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:11:26,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:11:26,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:11:26,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:11:26,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:11:26,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:11:26,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:11:26,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:11:26,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:11:26,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:11:26,891 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:11:26,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:11:26,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:11:26,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:11:26,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:11:26,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:11:26,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:11:26,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:11:26,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:11:26,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:11:26,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:11:26,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:11:26,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:11:26,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:11:26,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:11:26,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:11:26,899 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:11:26,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:11:26,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:11:26,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:11:26,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:11:26,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:11:26,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:11:26,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:11:26,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:11:26,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:11:26,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:11:26,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:11:26,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:11:26,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:11:27,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:11:27,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:11:27,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:11:27,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:11:27,169 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:11:27,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-09-13 10:11:28,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:11:28,839 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:11:28,839 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-09-13 10:11:28,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a930121b3/f09fa87f77424deb8275f53d4deffdfb/FLAGf45542b31 [2024-09-13 10:11:28,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a930121b3/f09fa87f77424deb8275f53d4deffdfb [2024-09-13 10:11:28,861 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:11:28,862 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:11:28,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_bin-suffix-5.yml/witness-2.1.yml [2024-09-13 10:11:28,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:11:28,910 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:11:28,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:11:28,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:11:28,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:11:28,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:28" (1/2) ... [2024-09-13 10:11:28,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a5e2a2 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 10:11:28,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:28" (1/2) ... [2024-09-13 10:11:28,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@513b5520 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 10:11:28,922 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 10:11:28,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a5e2a2 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 10:11:28,923 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 10:11:28,928 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:11:28,928 INFO L1541 ArrayList]: Function contract at [L21]: requires (1 == \old(cond)), ensures (1 == \old(cond)) [2024-09-13 10:11:28,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:11:29,068 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/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-09-13 10:11:29,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:11:29,092 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:11:29,130 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/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-09-13 10:11:29,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:11:29,152 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:11:29,153 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:11:29 WrapperNode [2024-09-13 10:11:29,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:11:29,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:11:29,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:11:29,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:11:29,201 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,201 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,207 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,221 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 10:11:29,221 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,222 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,226 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,230 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,231 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,233 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:11:29,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:11:29,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:11:29,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:11:29,240 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 10:11:29" (1/1) ... [2024-09-13 10:11:29,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:11:29,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:11:29,285 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 10:11:29,289 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 10:11:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:11:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:11:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:11:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:11:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-09-13 10:11:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:11:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:11:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:11:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:11:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:11:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:11:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:11:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-09-13 10:11:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:11:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:11:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:11:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 10:11:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:11:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:11:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:11:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:11:29,394 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:11:29,396 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:11:29,495 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:11:29,513 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:11:29,533 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:11:29,534 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:11:29,534 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:11:29 BoogieIcfgContainer [2024-09-13 10:11:29,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:11:29,535 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:11:29,535 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:11:29,536 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:11:29,536 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:11:28" (1/4) ... [2024-09-13 10:11:29,536 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c034cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:11:29, skipping insertion in model container [2024-09-13 10:11:29,536 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 10:11:29,537 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c034cc5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:11:29, skipping insertion in model container [2024-09-13 10:11:29,537 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 10:11:29" (3/4) ... [2024-09-13 10:11:29,537 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c034cc5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:11:29, skipping insertion in model container [2024-09-13 10:11:29,537 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 10:11:29" (4/4) ... [2024-09-13 10:11:29,538 INFO L79 RefereeObserver]: Analyzing ICFG recursified_bin-suffix-5.c [2024-09-13 10:11:29,542 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:11:29,543 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 10:11:29,543 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 10:11:29,543 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 10:11:29,544 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-13 10:11:29,586 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 10:11:29,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:11:29,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:11:29,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:11:29,589 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:11:29,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,640 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-13 10:11:29,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:11:29,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:11:29,643 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:11:29,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:11:29,715 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:11:29,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:11:29,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:11:29,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:11:29,720 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:11:29,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,723 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:11:29,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:11:29,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:11:29,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:11:29,729 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:11:29,731 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:11:29,748 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:11:29,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:11:29,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:11:29,749 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:11:29,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:11:29,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,752 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:11:29,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:29,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:11:29,757 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:11:29,757 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:11:29,757 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:11:29,759 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:11:29,766 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:29,767 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:29,768 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier2,QUANTIFIED]]] [2024-09-13 10:11:29,769 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:29,769 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:29,769 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] [2024-09-13 10:11:29,771 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 10:11:29,771 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c034cc5 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 10:11:29,772 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:11:29,773 INFO L158 Benchmark]: Toolchain (without parser) took 862.14ms. Allocated memory is still 174.1MB. Free memory was 100.7MB in the beginning and 117.9MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:29,774 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 130.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:29,774 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 174.1MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:29,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.61ms. Allocated memory is still 174.1MB. Free memory was 100.5MB in the beginning and 87.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,775 INFO L158 Benchmark]: Boogie Preprocessor took 83.75ms. Allocated memory is still 174.1MB. Free memory was 87.8MB in the beginning and 143.1MB in the end (delta: -55.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,776 INFO L158 Benchmark]: RCFGBuilder took 295.35ms. Allocated memory is still 174.1MB. Free memory was 143.1MB in the beginning and 131.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,776 INFO L158 Benchmark]: Referee took 236.82ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 117.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:11:29,781 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 10:11:29,784 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:29,785 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier5,QUANTIFIED]]] [2024-09-13 10:11:29,785 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:29,785 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:29,785 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] [2024-09-13 10:11:29,786 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:29,786 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:29,787 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:29,787 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier8,QUANTIFIED]]] [2024-09-13 10:11:29,787 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:29,788 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] [2024-09-13 10:11:29,788 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 56. One counterexample starts in and ends in x={1324:0}. 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 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 130.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 174.1MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.61ms. Allocated memory is still 174.1MB. Free memory was 100.5MB in the beginning and 87.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.75ms. Allocated memory is still 174.1MB. Free memory was 87.8MB in the beginning and 143.1MB in the end (delta: -55.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 295.35ms. Allocated memory is still 174.1MB. Free memory was 143.1MB in the beginning and 131.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 236.82ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 117.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. 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[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier2,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier5,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier8,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:11:29,815 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...