This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:14,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:14,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:14,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:14,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:14,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:14,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:14,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:14,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:14,517 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:14,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:14,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:14,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:14,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:14,519 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:14,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:14,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:14,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:14,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:14,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:14,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:14,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:14,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:14,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:14,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:14,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:14,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:14,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:14,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:14,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:14,524 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:14,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:14,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:14,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:14,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:14,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:14,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:14,526 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:14,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:14,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:14,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:14,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:14,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:14,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:14,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:14,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:14,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:14,818 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:14,819 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:14,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/even.yml/witness-2.1.yml [2024-09-13 10:08:14,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:14,874 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:14,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invariants/even.c [2024-09-13 10:08:16,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:16,450 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:16,451 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/even.c [2024-09-13 10:08:16,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/df91e1059/4cc702de28d541a78b895e255589fe64/FLAGf9837b236 [2024-09-13 10:08:16,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/df91e1059/4cc702de28d541a78b895e255589fe64 [2024-09-13 10:08:16,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:16,483 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:16,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:16,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:16,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:16,491 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 10:08:14" (1/2) ... [2024-09-13 10:08:16,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb89558 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:16, skipping insertion in model container [2024-09-13 10:08:16,495 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 10:08:14" (1/2) ... [2024-09-13 10:08:16,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@398c4414 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:16, skipping insertion in model container [2024-09-13 10:08:16,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:16" (2/2) ... [2024-09-13 10:08:16,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb89558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16, skipping insertion in model container [2024-09-13 10:08:16,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:16" (2/2) ... [2024-09-13 10:08:16,508 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:16,509 INFO L1541 ArrayList]: Loop invariant at [L20-L22] ((x % 2) == 0) [2024-09-13 10:08:16,509 INFO L1541 ArrayList]: Function contract at [L12]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:16,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:16,765 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/even.c[580,593] [2024-09-13 10:08:16,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:16,795 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:16,832 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/even.c[580,593] Start Parsing Local [2024-09-13 10:08:16,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:16,853 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:16,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16 WrapperNode [2024-09-13 10:08:16,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:16,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:16,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:16,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:16,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,883 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 10:08:16,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:16,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:16,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:16,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:16,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (1/1) ... [2024-09-13 10:08:16,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:16,936 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 10:08:16,941 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 10:08:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:17,042 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:17,044 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:17,124 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:17,135 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:17,172 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:17,173 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:17,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:17 BoogieIcfgContainer [2024-09-13 10:08:17,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:17,174 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:17,174 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:17,178 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:17,178 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 10:08:14" (1/4) ... [2024-09-13 10:08:17,178 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3adf8eac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:17, skipping insertion in model container [2024-09-13 10:08:17,178 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:16" (2/4) ... [2024-09-13 10:08:17,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3adf8eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:17, skipping insertion in model container [2024-09-13 10:08:17,179 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:16" (3/4) ... [2024-09-13 10:08:17,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3adf8eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:17, skipping insertion in model container [2024-09-13 10:08:17,181 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:17" (4/4) ... [2024-09-13 10:08:17,182 INFO L79 RefereeObserver]: Analyzing ICFG even.c [2024-09-13 10:08:17,186 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:17,187 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:08:17,188 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:08:17,188 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:17,189 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 10:08:17,189 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 10:08:17,190 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-13 10:08:17,233 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:08:17,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:17,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:17,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:17,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:17,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,274 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:08:17,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:17,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:17,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:17,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:17,301 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:17,314 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:08:17,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:17,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:17,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:17,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:17,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,322 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:08:17,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:17,323 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:17,323 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:17,323 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:17,328 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:17,337 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:17,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:17,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:17,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:17,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:17,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,348 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:17,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:17,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:17,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:17,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:17,356 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:17,366 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:17,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:17,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:17,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:17,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:17,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,371 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:17,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:17,371 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:17,371 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:17,372 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:17,377 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:17,383 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:17,384 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:17,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:17,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:17,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:17,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,387 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:17,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:17,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:17,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:17,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:17,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:17,391 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:17,394 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:17,395 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3adf8eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:17, skipping insertion in model container [2024-09-13 10:08:17,395 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:17,397 INFO L158 Benchmark]: Toolchain (without parser) took 913.76ms. Allocated memory is still 190.8MB. Free memory was 117.1MB in the beginning and 126.1MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:17,397 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 190.8MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:17,398 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 190.8MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:17,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.86ms. Allocated memory is still 190.8MB. Free memory was 116.8MB in the beginning and 151.2MB in the end (delta: -34.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 10:08:17,399 INFO L158 Benchmark]: Boogie Preprocessor took 48.31ms. Allocated memory is still 190.8MB. Free memory was 151.2MB in the beginning and 149.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:17,400 INFO L158 Benchmark]: RCFGBuilder took 268.85ms. Allocated memory is still 190.8MB. Free memory was 149.2MB in the beginning and 138.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:17,401 INFO L158 Benchmark]: Referee took 221.18ms. Allocated memory is still 190.8MB. Free memory was 138.0MB in the beginning and 126.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:17,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 20. Annotation is valid for all loop-free paths from loop head at line 20 to check that procedure precondition always holds at line 20. 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 14. Annotation is valid for all loop-free paths from loop head at line 20 to loop head at line 20. 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: * Witness Parser took 0.20ms. Allocated memory is still 190.8MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 190.8MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.86ms. Allocated memory is still 190.8MB. Free memory was 116.8MB in the beginning and 151.2MB in the end (delta: -34.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.31ms. Allocated memory is still 190.8MB. Free memory was 151.2MB in the beginning and 149.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.85ms. Allocated memory is still 190.8MB. Free memory was 149.2MB in the beginning and 138.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 221.18ms. Allocated memory is still 190.8MB. Free memory was 138.0MB in the beginning and 126.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:17,426 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...