This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:54,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:54,276 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:54,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:54,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:54,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:54,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:54,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:54,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:54,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:54,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:54,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:54,321 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:54,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:54,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:54,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:54,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:54,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:54,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:54,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:54,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:54,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:54,327 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:54,327 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:54,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:54,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:54,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:54,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:54,329 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:54,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:54,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:54,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:54,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:54,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:54,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:54,701 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:54,702 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:54,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/css2003.yml/witness-2.1.yml [2024-10-15 15:30:54,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:54,758 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:54,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/css2003.i [2024-10-15 15:30:56,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:56,540 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:56,541 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/css2003.i [2024-10-15 15:30:56,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8dc5d3490/6e9a064830a840b2a8e6981960cc813d/FLAGc35a6777d [2024-10-15 15:30:56,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8dc5d3490/6e9a064830a840b2a8e6981960cc813d [2024-10-15 15:30:56,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:56,571 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:56,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:56,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:56,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:56,580 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 03:30:54" (1/2) ... [2024-10-15 15:30:56,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea7808c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:56, skipping insertion in model container [2024-10-15 15:30:56,583 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 03:30:54" (1/2) ... [2024-10-15 15:30:56,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4928d670 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:56, skipping insertion in model container [2024-10-15 15:30:56,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:56" (2/2) ... [2024-10-15 15:30:56,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea7808c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56, skipping insertion in model container [2024-10-15 15:30:56,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:56" (2/2) ... [2024-10-15 15:30:56,599 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:56,601 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((((2 <= i) && (((long long) i + k) <= 2)) && (1 <= ((long long) i + k))) || (((0 <= k) && (k <= 1)) && (i == 1))) [2024-10-15 15:30:56,602 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:56,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:56,818 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-lit/css2003.i[895,908] [2024-10-15 15:30:56,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:56,841 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:56,877 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-lit/css2003.i[895,908] Start Parsing Local [2024-10-15 15:30:56,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:56,903 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:56,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56 WrapperNode [2024-10-15 15:30:56,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:56,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:56,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:56,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:56,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,924 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:56,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:56,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:56,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:56,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:56,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,950 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 15:30:56,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:56,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:56,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:56,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:56,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (1/1) ... [2024-10-15 15:30:56,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:56,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:56,998 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 15:30:57,000 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 15:30:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:57,115 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:57,118 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:57,243 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:57,257 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:57,295 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:57,295 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:57,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:57 BoogieIcfgContainer [2024-10-15 15:30:57,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:57,296 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:57,296 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:57,297 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:57,297 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 03:30:54" (1/4) ... [2024-10-15 15:30:57,298 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6493c6cd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:57, skipping insertion in model container [2024-10-15 15:30:57,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:56" (2/4) ... [2024-10-15 15:30:57,299 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6493c6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:57, skipping insertion in model container [2024-10-15 15:30:57,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:56" (3/4) ... [2024-10-15 15:30:57,300 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6493c6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:57, skipping insertion in model container [2024-10-15 15:30:57,300 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:57" (4/4) ... [2024-10-15 15:30:57,301 INFO L79 RefereeObserver]: Analyzing ICFG css2003.i [2024-10-15 15:30:57,304 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:57,304 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:30:57,304 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 15:30:57,304 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:30:57,305 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 15:30:57,305 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 15:30:57,305 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:30:57,332 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:57,332 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:57,333 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:57,333 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:57,338 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:57,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,361 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:57,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:57,363 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:57,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:57,364 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:57,386 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:57,401 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:57,401 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:57,402 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:57,402 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:57,402 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:57,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,407 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:57,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:57,408 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:57,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:57,408 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:57,416 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:57,430 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:30:57,434 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:57,434 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:57,435 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:57,435 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:57,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,464 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:30:57,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:57,468 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:57,468 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:57,469 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:57,472 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:57,480 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:57,480 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:57,480 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:57,481 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:57,481 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:57,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,484 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:57,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:57,485 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:57,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:57,488 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:57,490 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:57,497 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:57,497 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:57,497 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:57,497 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:57,498 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:57,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,500 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:57,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:57,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:57,500 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:57,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:57,501 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:57,506 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:57,509 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:57,510 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6493c6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:57, skipping insertion in model container [2024-10-15 15:30:57,510 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:57,512 INFO L158 Benchmark]: Toolchain (without parser) took 939.24ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 52.8MB in the end (delta: -21.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:57,513 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:57,513 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:57,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.29ms. Allocated memory is still 65.0MB. Free memory was 30.8MB in the beginning and 32.4MB in the end (delta: -1.5MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:57,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.81ms. Allocated memory is still 65.0MB. Free memory was 32.2MB in the beginning and 31.2MB in the end (delta: 959.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:57,516 INFO L158 Benchmark]: Boogie Preprocessor took 35.29ms. Allocated memory is still 65.0MB. Free memory was 31.2MB in the beginning and 29.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:57,517 INFO L158 Benchmark]: RCFGBuilder took 333.85ms. Allocated memory is still 65.0MB. Free memory was 29.7MB in the beginning and 35.4MB in the end (delta: -5.8MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:57,518 INFO L158 Benchmark]: Referee took 213.57ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 52.8MB in the end (delta: -17.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-10-15 15:30:57,521 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 30 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. 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 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 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.29ms. Allocated memory is still 65.0MB. Free memory was 30.8MB in the beginning and 32.4MB in the end (delta: -1.5MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.81ms. Allocated memory is still 65.0MB. Free memory was 32.2MB in the beginning and 31.2MB in the end (delta: 959.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.29ms. Allocated memory is still 65.0MB. Free memory was 31.2MB in the beginning and 29.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.85ms. Allocated memory is still 65.0MB. Free memory was 29.7MB in the beginning and 35.4MB in the end (delta: -5.8MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Referee took 213.57ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 52.8MB in the end (delta: -17.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:57,551 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...