This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:45,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:45,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:45,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:45,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:45,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:45,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:45,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:45,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:45,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:45,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:45,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:45,953 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:45,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:45,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:45,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:45,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:45,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:45,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:45,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:45,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:45,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:45,961 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:45,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:45,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:45,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:45,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:45,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:45,962 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:45,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:45,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:45,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:46,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:46,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:46,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:46,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:46,258 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:46,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nest-if3.i [2024-10-15 15:30:47,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:47,827 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:47,828 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nest-if3.i [2024-10-15 15:30:47,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1c835c00c/1069ade739b74c89a4d6b7df877dee8f/FLAGd51ba3aac [2024-10-15 15:30:47,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1c835c00c/1069ade739b74c89a4d6b7df877dee8f [2024-10-15 15:30:47,859 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:47,860 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:47,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nest-if3.yml/witness-2.1.yml [2024-10-15 15:30:47,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:47,909 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:47,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:47,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:47,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:47,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:47" (1/2) ... [2024-10-15 15:30:47,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f23eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:47, skipping insertion in model container [2024-10-15 15:30:47,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:47" (1/2) ... [2024-10-15 15:30:47,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@347c16b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:47, skipping insertion in model container [2024-10-15 15:30:47,918 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 03:30:47" (2/2) ... [2024-10-15 15:30:47,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f23eaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:47, skipping insertion in model container [2024-10-15 15:30:47,920 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 03:30:47" (2/2) ... [2024-10-15 15:30:47,927 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:47,928 INFO L1541 ArrayList]: Loop invariant at [L31-L37] (1 <= l) [2024-10-15 15:30:47,928 INFO L1541 ArrayList]: Loop invariant at [L32-L34] ((1 <= l) && (1 <= i)) [2024-10-15 15:30:47,930 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:47,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:48,106 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-invgen/nest-if3.i[893,906] [2024-10-15 15:30:48,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:48,126 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:48,158 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-invgen/nest-if3.i[893,906] Start Parsing Local Start Parsing Local [2024-10-15 15:30:48,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:48,175 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:48,176 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48 WrapperNode [2024-10-15 15:30:48,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:48,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:48,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:48,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:48,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,195 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:48,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:48,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:48,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:48,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:48,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,217 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 15:30:48,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:48,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:48,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:48,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:48,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (1/1) ... [2024-10-15 15:30:48,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:48,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:48,258 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 15:30:48,260 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 15:30:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:48,351 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:48,354 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:48,477 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:48,488 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:48,514 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:48,514 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:30:48,515 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:48 BoogieIcfgContainer [2024-10-15 15:30:48,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:48,515 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:48,516 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:48,516 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:48,516 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:47" (1/4) ... [2024-10-15 15:30:48,518 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2af8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:48, skipping insertion in model container [2024-10-15 15:30:48,518 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 03:30:47" (2/4) ... [2024-10-15 15:30:48,518 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2af8eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:48, skipping insertion in model container [2024-10-15 15:30:48,518 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:48" (3/4) ... [2024-10-15 15:30:48,519 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2af8eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:48, skipping insertion in model container [2024-10-15 15:30:48,519 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:48" (4/4) ... [2024-10-15 15:30:48,520 INFO L79 RefereeObserver]: Analyzing ICFG nest-if3.i [2024-10-15 15:30:48,524 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:30:48,525 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:48,525 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L31-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:48,525 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:30:48,525 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:30:48,525 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:48,525 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 15:30:48,526 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 15:30:48,526 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 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 [2024-10-15 15:30:48,565 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:30:48,567 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:48,567 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:48,568 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:48,568 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:48,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,582 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:30:48,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:48,584 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:48,584 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:48,585 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:48,603 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:48,618 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:48,619 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:48,619 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:48,619 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:48,619 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:48,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,624 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:48,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:48,625 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:48,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:48,625 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:48,631 INFO L520 InvariantChecker]: The annotation(s) from loop head L31-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:48,639 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:48,642 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:48,642 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:48,642 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:48,642 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:48,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,645 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:48,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:48,648 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:48,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:48,649 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:48,650 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:48,659 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:30:48,661 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:48,661 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:48,661 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:48,662 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:48,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,680 INFO L101 BaseMinimizeStates]: Removed 20 edges and 5 locations by large block encoding [2024-10-15 15:30:48,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:48,681 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:48,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:48,687 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:48,690 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:48,699 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:30:48,699 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:48,700 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:48,700 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:48,700 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:48,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,718 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:30:48,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:48,720 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:48,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:48,720 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:48,725 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:48,731 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:48,732 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:48,733 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:48,733 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:48,733 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:48,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,735 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:48,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:48,737 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:48,737 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:48,738 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:48,740 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:48,745 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:48,746 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:48,746 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:48,746 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:48,746 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:48,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,747 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:48,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:48,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:48,749 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:48,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:48,749 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:48,751 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:48,754 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:48,755 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2af8eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:48, skipping insertion in model container [2024-10-15 15:30:48,755 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:48,757 INFO L158 Benchmark]: Toolchain (without parser) took 847.32ms. Allocated memory is still 90.2MB. Free memory was 44.2MB in the beginning and 63.8MB in the end (delta: -19.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:48,758 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:48,758 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:48,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.25ms. Allocated memory is still 90.2MB. Free memory was 43.9MB in the beginning and 59.6MB in the end (delta: -15.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-10-15 15:30:48,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.51ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 58.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:48,760 INFO L158 Benchmark]: Boogie Preprocessor took 33.39ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:48,761 INFO L158 Benchmark]: RCFGBuilder took 284.33ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 45.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:48,761 INFO L158 Benchmark]: Referee took 239.31ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 63.8MB in the end (delta: -18.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-10-15 15:30:48,766 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 19. Annotation is valid for all loop-free paths from loop head at line 31 to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 31. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.25ms. Allocated memory is still 90.2MB. Free memory was 43.9MB in the beginning and 59.6MB in the end (delta: -15.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.51ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 58.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.39ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.33ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 45.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 239.31ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 63.8MB in the end (delta: -18.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:48,790 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...