This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:26:39,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:26:39,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:26:39,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:26:39,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:26:39,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:26:39,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:26:39,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:26:39,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:26:39,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:26:39,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:26:39,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:26:39,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:26:39,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:26:39,912 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:26:39,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:26:39,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:26:39,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:26:39,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:26:39,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:26:39,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:26:39,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:26:39,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:26:39,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:26:39,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:26:39,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:26:39,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:26:39,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:26:39,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:26:39,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:26:39,918 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:26:39,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:26:39,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:26:39,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:39,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:26:39,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:26:39,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:26:39,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:26:39,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:26:39,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:26:39,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:26:39,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:26:39,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:26:39,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:26:40,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:26:40,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:26:40,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:26:40,152 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:26:40,156 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:26:40,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark43_conjunctive_abstracted.yml/witness-2.1.yml [2024-09-20 13:26:40,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:26:40,255 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:26:40,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2024-09-20 13:26:41,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:26:41,653 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:26:41,654 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2024-09-20 13:26:41,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a550c0a45/e468270d271a4dc9ba099d4cabb531b8/FLAG7025c3773 [2024-09-20 13:26:42,074 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a550c0a45/e468270d271a4dc9ba099d4cabb531b8 [2024-09-20 13:26:42,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:26:42,076 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:26:42,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:42,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:26:42,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:26:42,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:40" (1/2) ... [2024-09-20 13:26:42,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8bff46 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:42, skipping insertion in model container [2024-09-20 13:26:42,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:40" (1/2) ... [2024-09-20 13:26:42,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f9a12ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:42, skipping insertion in model container [2024-09-20 13:26:42,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:42" (2/2) ... [2024-09-20 13:26:42,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8bff46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42, skipping insertion in model container [2024-09-20 13:26:42,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:42" (2/2) ... [2024-09-20 13:26:42,090 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:26:42,090 INFO L1541 ArrayList]: Function contract at [L15]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 13:26:42,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:26:42,207 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-zilu/benchmark43_conjunctive_abstracted.i[909,922] [2024-09-20 13:26:42,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:42,227 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:26:42,256 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-zilu/benchmark43_conjunctive_abstracted.i[909,922] [2024-09-20 13:26:42,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:42,271 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:26:42,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42 WrapperNode [2024-09-20 13:26:42,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:42,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:26:42,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:26:42,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:26:42,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,301 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 [2024-09-20 13:26:42,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:26:42,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:26:42,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:26:42,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:26:42,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (1/1) ... [2024-09-20 13:26:42,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:26:42,357 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) [2024-09-20 13:26:42,360 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 [2024-09-20 13:26:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:26:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:26:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:26:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:26:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:26:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:26:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:26:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:26:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:26:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:26:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:26:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:26:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-20 13:26:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:26:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:26:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:26:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:26:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:26:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:26:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:26:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:26:42,475 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:26:42,478 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:26:42,644 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:26:42,654 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:26:42,682 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:26:42,683 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:26:42,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:42 BoogieIcfgContainer [2024-09-20 13:26:42,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:26:42,684 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:26:42,684 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:26:42,684 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:26:42,684 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:40" (1/4) ... [2024-09-20 13:26:42,685 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@58ec17d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:42, skipping insertion in model container [2024-09-20 13:26:42,685 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:26:42" (2/4) ... [2024-09-20 13:26:42,685 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@58ec17d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:26:42, skipping insertion in model container [2024-09-20 13:26:42,685 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:42" (3/4) ... [2024-09-20 13:26:42,685 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@58ec17d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:26:42, skipping insertion in model container [2024-09-20 13:26:42,685 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:42" (4/4) ... [2024-09-20 13:26:42,687 INFO L79 RefereeObserver]: Analyzing ICFG benchmark43_conjunctive_abstracted.i [2024-09-20 13:26:42,689 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:26:42,690 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 26 edges. [2024-09-20 13:26:42,690 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:26:42,690 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:26:42,691 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-20 13:26:42,773 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 26 edges [2024-09-20 13:26:42,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:42,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:42,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:42,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:42,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:43,300 INFO L101 BaseMinimizeStates]: Removed 97 edges and 15 locations by large block encoding [2024-09-20 13:26:43,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:43,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:43,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:43,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:43,461 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:43,522 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:43,573 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:26:43,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:43,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:43,575 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:43,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:43,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:43,579 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:26:43,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:43,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:43,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:43,579 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:43,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:43,586 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:26:43,590 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:26:43,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:43,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:43,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:43,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:43,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:43,597 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:26:43,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:43,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:43,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:43,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:43,598 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:43,604 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:26:43,606 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:26:43,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@58ec17d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:26:43, skipping insertion in model container [2024-09-20 13:26:43,607 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:26:43,613 INFO L158 Benchmark]: Toolchain (without parser) took 1531.66ms. Allocated memory is still 232.8MB. Free memory was 161.7MB in the beginning and 197.3MB in the end (delta: -35.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-09-20 13:26:43,614 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 121.6MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:43,614 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 232.8MB. Free memory is still 207.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:43,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.04ms. Allocated memory is still 232.8MB. Free memory was 161.7MB in the beginning and 148.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:26:43,614 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 232.8MB. Free memory was 148.4MB in the beginning and 146.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:43,615 INFO L158 Benchmark]: RCFGBuilder took 374.12ms. Allocated memory is still 232.8MB. Free memory was 146.3MB in the beginning and 131.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:26:43,615 INFO L158 Benchmark]: Referee took 923.23ms. Allocated memory is still 232.8MB. Free memory was 131.7MB in the beginning and 197.3MB in the end (delta: -65.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-09-20 13:26:43,622 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 check that procedure precondition always holds at line 24. 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 17. 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 0.09ms. Allocated memory is still 121.6MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 232.8MB. Free memory is still 207.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.04ms. Allocated memory is still 232.8MB. Free memory was 161.7MB in the beginning and 148.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 232.8MB. Free memory was 148.4MB in the beginning and 146.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.12ms. Allocated memory is still 232.8MB. Free memory was 146.3MB in the beginning and 131.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 923.23ms. Allocated memory is still 232.8MB. Free memory was 131.7MB in the beginning and 197.3MB in the end (delta: -65.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:26:43,669 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...