This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:04:10,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:04:10,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:04:10,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:04:10,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:04:10,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:04:10,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:04:10,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:04:10,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:04:10,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:04:10,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:04:10,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:04:10,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:04:10,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:04:10,497 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:04:10,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:04:10,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:04:10,498 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:04:10,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:04:10,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:04:10,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:04:10,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:04:10,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:04:10,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:04:10,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:04:10,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:04:10,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:04:10,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:04:10,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:04:10,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:04:10,501 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:04:10,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:04:10,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:04:10,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:10,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:04:10,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:04:10,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:04:10,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:04:10,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:04:10,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:04:10,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:04:10,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:04:10,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:04:10,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:04:10,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:04:10,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:04:10,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:04:10,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:04:10,759 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:04:10,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/nested5-1.c [2024-09-13 05:04:11,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:04:12,146 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:04:12,147 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/nested5-1.c [2024-09-13 05:04:12,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3d2f371a0/1d7c0cd68a8f4ec9b4694048d4a6d951/FLAGe00db7bd0 [2024-09-13 05:04:12,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3d2f371a0/1d7c0cd68a8f4ec9b4694048d4a6d951 [2024-09-13 05:04:12,567 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:04:12,570 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:04:12,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested5-1.yml/witness-2.1.yml [2024-09-13 05:04:12,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:04:12,617 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:04:12,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:12,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:04:12,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:04:12,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:12" (1/2) ... [2024-09-13 05:04:12,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4681076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:12, skipping insertion in model container [2024-09-13 05:04:12,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:12" (1/2) ... [2024-09-13 05:04:12,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3386e580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:12, skipping insertion in model container [2024-09-13 05:04:12,626 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 05:04:12" (2/2) ... [2024-09-13 05:04:12,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4681076f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:12, skipping insertion in model container [2024-09-13 05:04:12,627 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 05:04:12" (2/2) ... [2024-09-13 05:04:12,633 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:04:12,636 INFO L1541 ArrayList]: Loop invariant at [L23-L23] ((v == 0) || (((v + 4294967295) % 4294967296) < 10)) [2024-09-13 05:04:12,636 INFO L1541 ArrayList]: Function contract at [L5]: requires ((0 <= \old(cond)) && (\old(cond) <= 3)), ensures ((0 <= \old(cond)) && (\old(cond) <= 3)) [2024-09-13 05:04:12,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:04:12,778 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/loops-crafted-1/nested5-1.c[321,334] [2024-09-13 05:04:12,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:12,802 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:04:12,831 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/loops-crafted-1/nested5-1.c[321,334] Start Parsing Local [2024-09-13 05:04:12,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:12,859 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:04:12,859 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:12 WrapperNode [2024-09-13 05:04:12,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:12,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:04:12,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:04:12,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:04:12,871 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,872 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,877 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,884 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 05:04:12,884 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,885 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,887 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,891 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,892 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,892 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:04:12,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:04:12,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:04:12,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:04:12,895 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 05:04:12" (1/1) ... [2024-09-13 05:04:12,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:12,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:04:12,925 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 05:04:12,927 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 05:04:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:04:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:04:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:04:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:04:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:04:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:04:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:04:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:04:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:04:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:04:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:04:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:04:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:04:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:04:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:04:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:04:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:04:13,023 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:04:13,025 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:04:13,155 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:04:13,165 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:04:13,193 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:04:13,193 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-13 05:04:13,194 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:13 BoogieIcfgContainer [2024-09-13 05:04:13,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:04:13,194 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:04:13,194 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:04:13,195 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:04:13,195 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:04:12" (1/4) ... [2024-09-13 05:04:13,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c6208b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:13, skipping insertion in model container [2024-09-13 05:04:13,198 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 05:04:12" (2/4) ... [2024-09-13 05:04:13,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c6208b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:13, skipping insertion in model container [2024-09-13 05:04:13,198 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 05:04:12" (3/4) ... [2024-09-13 05:04:13,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c6208b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:13, skipping insertion in model container [2024-09-13 05:04:13,199 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 05:04:13" (4/4) ... [2024-09-13 05:04:13,200 INFO L79 RefereeObserver]: Analyzing ICFG nested5-1.c [2024-09-13 05:04:13,204 INFO L112 InvariantChecker]: Found 5 loops. [2024-09-13 05:04:13,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:04:13,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:04:13,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:04:13,206 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 05:04:13,206 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 05:04:13,206 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-13 05:04:13,243 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:04:13,245 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:13,245 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:13,246 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:13,246 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:13,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,259 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:04:13,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:13,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:13,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:13,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:13,274 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:04:13,282 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:04:13,282 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:13,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:13,283 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:13,283 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:13,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,287 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:04:13,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:13,288 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:13,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:13,288 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:13,291 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:13,300 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:04:13,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:13,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:13,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:13,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:13,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,307 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:04:13,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:13,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:13,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:13,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:13,313 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:13,324 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:04:13,328 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:13,328 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:13,329 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:13,329 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:13,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,335 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:04:13,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:13,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:13,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:13,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:13,345 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:04:13,351 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:04:13,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:13,352 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:13,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:13,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:13,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,357 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:04:13,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:13,360 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:13,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:13,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:13,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:13,372 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:04:13,373 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c6208b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:04:13, skipping insertion in model container [2024-09-13 05:04:13,373 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:04:13,374 INFO L158 Benchmark]: Toolchain (without parser) took 756.99ms. Allocated memory is still 153.1MB. Free memory was 115.3MB in the beginning and 72.7MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-13 05:04:13,374 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:13,375 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:13,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.36ms. Allocated memory is still 153.1MB. Free memory was 115.3MB in the beginning and 101.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:04:13,375 INFO L158 Benchmark]: Boogie Preprocessor took 33.44ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 100.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:04:13,376 INFO L158 Benchmark]: RCFGBuilder took 299.65ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 86.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:04:13,376 INFO L158 Benchmark]: Referee took 178.38ms. Allocated memory is still 153.1MB. Free memory was 86.7MB in the beginning and 72.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:13,378 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. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. 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 23 to check that procedure precondition always holds at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 153.1MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.36ms. Allocated memory is still 153.1MB. Free memory was 115.3MB in the beginning and 101.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.44ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 100.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.65ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 86.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 178.38ms. Allocated memory is still 153.1MB. Free memory was 86.7MB in the beginning and 72.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:04:13,399 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...