This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:41,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:41,362 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:41,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:41,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:41,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:41,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:41,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:41,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:41,404 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:41,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:41,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:41,406 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:41,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:41,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:41,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:41,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:41,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:41,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:41,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:41,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:41,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:41,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:41,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:41,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:41,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:41,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:41,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:41,414 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:41,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:41,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:41,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:41,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:41,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:41,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:41,747 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:41,748 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:41,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark18_conjunctive.yml/witness-2.1.yml [2024-10-15 15:31:41,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:41,797 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:41,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark18_conjunctive.i [2024-10-15 15:31:43,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:43,601 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:43,602 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark18_conjunctive.i [2024-10-15 15:31:43,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/df3c20697/d9babd2d068043caa0f27e388f110861/FLAGff4d20671 [2024-10-15 15:31:43,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/df3c20697/d9babd2d068043caa0f27e388f110861 [2024-10-15 15:31:43,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:43,992 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:43,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:43,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:44,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:44,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:41" (1/2) ... [2024-10-15 15:31:44,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bcb577 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:41" (1/2) ... [2024-10-15 15:31:44,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b56b2e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:43" (2/2) ... [2024-10-15 15:31:44,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bcb577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:43" (2/2) ... [2024-10-15 15:31:44,019 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:44,022 INFO L1541 ArrayList]: Loop invariant at [L24-L26] ((i == k) && (k <= n)) [2024-10-15 15:31:44,023 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:31:44,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:44,226 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/benchmark18_conjunctive.i[873,886] [2024-10-15 15:31:44,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:44,250 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:44,280 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/benchmark18_conjunctive.i[873,886] Start Parsing Local [2024-10-15 15:31:44,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:44,301 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:44,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44 WrapperNode [2024-10-15 15:31:44,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:44,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:44,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:44,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:44,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,329 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:44,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:44,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:44,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:44,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:44,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,356 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 [2024-10-15 15:31:44,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:44,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:44,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:44,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:44,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (1/1) ... [2024-10-15 15:31:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:44,405 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) [2024-10-15 15:31:44,407 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 [2024-10-15 15:31:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:44,511 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:44,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:44,641 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:44,659 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:44,702 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:44,703 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:44,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:44 BoogieIcfgContainer [2024-10-15 15:31:44,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:44,704 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:44,704 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:44,705 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:44,705 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:41" (1/4) ... [2024-10-15 15:31:44,707 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36275aac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,708 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:43" (2/4) ... [2024-10-15 15:31:44,709 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36275aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,709 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44" (3/4) ... [2024-10-15 15:31:44,709 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36275aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,709 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:44" (4/4) ... [2024-10-15 15:31:44,711 INFO L79 RefereeObserver]: Analyzing ICFG benchmark18_conjunctive.i [2024-10-15 15:31:44,716 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:44,718 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:44,719 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:44,719 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:44,719 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:44,720 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:44,720 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:31:44,773 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:44,775 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:44,775 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:44,776 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:44,777 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:44,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,793 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:44,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:44,796 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:44,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:44,804 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:44,828 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:44,845 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:44,846 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:44,846 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:44,847 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:44,847 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:44,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,858 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:44,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:44,862 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:44,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:44,863 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:44,871 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:44,881 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:44,882 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:44,882 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:44,882 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:44,884 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:44,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,889 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:44,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,889 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:44,889 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:44,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:44,890 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:44,896 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:44,907 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:44,907 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:44,907 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:44,908 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:44,908 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:44,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,911 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:44,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:44,912 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:44,912 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:44,913 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:44,915 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:44,922 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:44,922 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:44,922 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:44,923 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:44,923 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:44,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,925 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:44,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:44,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:44,926 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:44,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:44,926 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:44,928 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:44,932 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:44,932 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36275aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,932 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:44,934 INFO L158 Benchmark]: Toolchain (without parser) took 941.35ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 49.4MB in the beginning and 62.2MB in the end (delta: -12.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:44,935 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:44,935 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:44,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.16ms. Allocated memory is still 71.3MB. Free memory was 49.2MB in the beginning and 35.3MB in the end (delta: 13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:44,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.63ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 34.3MB in the end (delta: 979.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:44,937 INFO L158 Benchmark]: Boogie Preprocessor took 41.52ms. Allocated memory is still 71.3MB. Free memory was 34.3MB in the beginning and 32.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:44,937 INFO L158 Benchmark]: RCFGBuilder took 330.47ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 32.6MB in the beginning and 74.7MB in the end (delta: -42.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:44,938 INFO L158 Benchmark]: Referee took 228.65ms. Allocated memory is still 104.9MB. Free memory was 74.7MB in the beginning and 62.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:44,941 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 loop head at line 24 to loop head at line 24. 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 24. Annotation is valid for all loop-free paths from loop head at line 24 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 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.16ms. Allocated memory is still 71.3MB. Free memory was 49.2MB in the beginning and 35.3MB in the end (delta: 13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.63ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 34.3MB in the end (delta: 979.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.52ms. Allocated memory is still 71.3MB. Free memory was 34.3MB in the beginning and 32.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.47ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 32.6MB in the beginning and 74.7MB in the end (delta: -42.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 228.65ms. Allocated memory is still 104.9MB. Free memory was 74.7MB in the beginning and 62.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:44,969 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...