This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:44,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:44,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:44,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:44,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:44,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:44,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:44,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:44,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:44,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:44,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:44,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:44,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:44,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:44,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:44,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:44,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:44,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:44,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:44,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:44,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:44,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:44,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:44,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:44,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:44,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:44,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:44,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:44,387 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:44,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:44,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:44,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:44,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:44,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:44,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:44,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:44,745 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:44,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2024-10-15 15:31:46,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:46,516 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:46,517 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2024-10-15 15:31:46,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d9238f6c6/98f868703c1c4812924b7dff98d2dd51/FLAG22b16d069 [2024-10-15 15:31:46,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d9238f6c6/98f868703c1c4812924b7dff98d2dd51 [2024-10-15 15:31:46,902 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:46,903 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:46,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark25_linear.yml/witness-2.1.yml [2024-10-15 15:31:46,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:46,956 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:46,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:46,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:46,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:46,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:46" (1/2) ... [2024-10-15 15:31:46,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ab841c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:46, skipping insertion in model container [2024-10-15 15:31:46,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:46" (1/2) ... [2024-10-15 15:31:46,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@add1857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:46, skipping insertion in model container [2024-10-15 15:31:46,968 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 03:31:46" (2/2) ... [2024-10-15 15:31:46,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ab841c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:46, skipping insertion in model container [2024-10-15 15:31:46,969 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 03:31:46" (2/2) ... [2024-10-15 15:31:46,997 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:46,998 INFO L1541 ArrayList]: Loop invariant at [L22-L24] (x < 11) [2024-10-15 15:31:47,001 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:47,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:47,183 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/benchmark25_linear.i[868,881] [2024-10-15 15:31:47,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:47,204 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:47,241 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/benchmark25_linear.i[868,881] Start Parsing Local [2024-10-15 15:31:47,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:47,261 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:47,262 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:47 WrapperNode [2024-10-15 15:31:47,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:47,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:47,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:47,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:47,271 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,278 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,283 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:47,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:47,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:47,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:47,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:47,295 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,295 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,297 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,306 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 15:31:47,306 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,307 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,313 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,316 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,317 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,317 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:47,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:47,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:47,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:47,320 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 03:31:47" (1/1) ... [2024-10-15 15:31:47,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:47,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:47,356 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 15:31:47,361 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 15:31:47,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:47,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:47,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:47,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:47,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:47,472 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:47,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:47,577 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:47,597 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:47,620 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:47,620 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:47,620 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:47 BoogieIcfgContainer [2024-10-15 15:31:47,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:47,621 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:47,621 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:47,622 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:47,622 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:46" (1/4) ... [2024-10-15 15:31:47,624 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e9ccc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:47, skipping insertion in model container [2024-10-15 15:31:47,624 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 03:31:46" (2/4) ... [2024-10-15 15:31:47,625 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e9ccc6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:47, skipping insertion in model container [2024-10-15 15:31:47,626 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 03:31:47" (3/4) ... [2024-10-15 15:31:47,626 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e9ccc6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:47, skipping insertion in model container [2024-10-15 15:31:47,626 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 03:31:47" (4/4) ... [2024-10-15 15:31:47,627 INFO L79 RefereeObserver]: Analyzing ICFG benchmark25_linear.i [2024-10-15 15:31:47,631 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:47,633 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:47,633 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 15:31:47,633 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:47,634 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 15:31:47,635 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 15:31:47,635 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:47,671 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:47,672 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:47,672 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:47,673 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:47,674 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:47,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,688 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:47,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,692 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:47,692 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:47,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:47,694 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:47,711 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:47,721 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:47,721 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:47,721 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:47,721 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:47,722 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:47,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,724 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:47,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,725 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:47,725 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:47,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:47,725 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:47,732 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:47,741 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:47,741 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:47,741 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:47,742 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:47,742 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:47,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,746 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:47,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:47,747 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:47,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:47,751 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:47,755 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:47,762 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:47,762 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:47,762 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:47,763 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:47,763 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:47,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,770 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:47,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:47,771 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:47,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:47,771 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:47,773 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:47,780 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:47,780 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:47,780 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:47,787 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:47,788 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:47,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,791 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:47,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:47,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:47,792 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:47,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:47,792 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:47,798 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:47,801 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:47,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e9ccc6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:47, skipping insertion in model container [2024-10-15 15:31:47,803 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:47,805 INFO L158 Benchmark]: Toolchain (without parser) took 848.11ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 26.4MB in the beginning and 51.4MB in the end (delta: -25.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:47,805 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 24.2MB in the beginning and 24.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:47,806 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 28.4MB in the beginning and 28.2MB in the end (delta: 165.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:47,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.26ms. Allocated memory is still 60.8MB. Free memory was 26.2MB in the beginning and 28.4MB in the end (delta: -2.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:47,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.94ms. Allocated memory is still 60.8MB. Free memory was 28.4MB in the beginning and 27.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:47,807 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 60.8MB. Free memory was 27.3MB in the beginning and 25.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:47,808 INFO L158 Benchmark]: RCFGBuilder took 301.86ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 31.8MB in the end (delta: -6.2MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:47,808 INFO L158 Benchmark]: Referee took 181.67ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 51.4MB in the end (delta: -19.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:47,811 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 exit of procedure __VERIFIER_assert. 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. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 24.2MB in the beginning and 24.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 28.4MB in the beginning and 28.2MB in the end (delta: 165.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.26ms. Allocated memory is still 60.8MB. Free memory was 26.2MB in the beginning and 28.4MB in the end (delta: -2.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.94ms. Allocated memory is still 60.8MB. Free memory was 28.4MB in the beginning and 27.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 60.8MB. Free memory was 27.3MB in the beginning and 25.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.86ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 31.8MB in the end (delta: -6.2MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Referee took 181.67ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 51.4MB in the end (delta: -19.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:47,840 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...