This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:08,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:08,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:08,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:08,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:08,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:08,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:08,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:08,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:08,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:08,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:08,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:08,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:08,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:08,894 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:08,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:08,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:08,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:08,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:08,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:08,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:08,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:08,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:08,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:08,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:08,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:08,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:08,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:08,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:08,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:08,903 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:08,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:08,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:08,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:08,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:08,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:08,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:08,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:08,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:08,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:08,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:08,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:08,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:08,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:09,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:09,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:09,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:09,218 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:09,219 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:09,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_3-2.yml/witness-2.1.yml [2024-09-21 12:47:09,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:09,275 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:09,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2024-09-21 12:47:10,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:10,953 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:10,954 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2024-09-21 12:47:10,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c3edfd0ae/73962f62e46c47ecbd3a6803dadc096d/FLAG513b9719a [2024-09-21 12:47:11,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c3edfd0ae/73962f62e46c47ecbd3a6803dadc096d [2024-09-21 12:47:11,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:11,342 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:11,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:11,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:11,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:11,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:09" (1/2) ... [2024-09-21 12:47:11,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e399060 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:09" (1/2) ... [2024-09-21 12:47:11,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@631bc4df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:11" (2/2) ... [2024-09-21 12:47:11,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e399060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:11" (2/2) ... [2024-09-21 12:47:11,362 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:11,362 INFO L1541 ArrayList]: Loop invariant at [L17-L19] ((x % 2) == 0) [2024-09-21 12:47:11,365 INFO L1541 ArrayList]: Function contract at [L6]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:11,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:11,511 WARN L248 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-acceleration/simple_3-2.c[376,389] [2024-09-21 12:47:11,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:11,530 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:11,571 WARN L248 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-acceleration/simple_3-2.c[376,389] Start Parsing Local [2024-09-21 12:47:11,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:11,596 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:11,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11 WrapperNode [2024-09-21 12:47:11,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:11,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:11,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:11,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:11,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,623 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 [2024-09-21 12:47:11,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:11,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:11,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:11,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:11,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (1/1) ... [2024-09-21 12:47:11,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:11,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:11,667 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) [2024-09-21 12:47:11,669 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 [2024-09-21 12:47:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:11,777 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:11,778 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:11,884 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:11,898 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:11,926 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:11,926 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:11,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:11 BoogieIcfgContainer [2024-09-21 12:47:11,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:11,927 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:11,927 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:11,928 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:11,928 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:09" (1/4) ... [2024-09-21 12:47:11,929 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572efed5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,929 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:11" (2/4) ... [2024-09-21 12:47:11,929 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572efed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,929 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:11" (3/4) ... [2024-09-21 12:47:11,930 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572efed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,930 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:11" (4/4) ... [2024-09-21 12:47:11,934 INFO L79 RefereeObserver]: Analyzing ICFG simple_3-2.c [2024-09-21 12:47:11,937 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:11,938 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L17-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:47:11,938 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:11,939 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:47:11,939 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L17-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 12:47:11,939 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:11,939 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:47:11,969 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:47:11,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:11,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:11,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:11,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:11,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,984 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:47:11,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,985 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:11,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:11,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:11,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:12,007 INFO L520 InvariantChecker]: The annotation(s) from loop head L17-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:12,018 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:12,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:12,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:12,019 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:12,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:12,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,024 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:12,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,025 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:12,025 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:12,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:12,026 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:12,033 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:12,042 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:12,042 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:12,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:12,043 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:12,043 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:12,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,045 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:12,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:12,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:12,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:12,049 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:12,051 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:12,058 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:12,059 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:12,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:12,059 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:12,059 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:12,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,064 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:12,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:12,064 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:12,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:12,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:12,067 INFO L520 InvariantChecker]: The annotation(s) from loop head L17-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:12,073 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:12,074 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:12,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:12,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:12,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:12,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,076 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:12,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:12,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:12,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:12,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:12,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:12,080 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:12,083 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:12,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572efed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:12, skipping insertion in model container [2024-09-21 12:47:12,084 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:12,087 INFO L158 Benchmark]: Toolchain (without parser) took 743.64ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 121.9MB in the end (delta: 7.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-09-21 12:47:12,087 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:12,088 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:12,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.97ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 114.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:12,089 INFO L158 Benchmark]: Boogie Preprocessor took 35.53ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 112.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:12,090 INFO L158 Benchmark]: RCFGBuilder took 293.10ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 133.0MB in the end (delta: -20.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:12,090 INFO L158 Benchmark]: Referee took 156.52ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 121.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:12,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 8. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. 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 entry of procedure main to loop head at line 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.97ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 114.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.53ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 112.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.10ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 133.0MB in the end (delta: -20.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 156.52ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 121.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:12,118 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...