This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:20,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:21,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:21,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:21,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:21,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:21,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:21,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:21,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:21,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:21,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:21,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:21,069 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:21,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:21,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:21,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:21,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:21,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:21,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:21,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:21,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:21,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:21,076 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:21,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:21,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:21,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:21,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:21,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:21,078 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:21,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:21,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:21,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:21,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:21,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:21,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:21,434 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:21,435 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:21,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/trex03-2.yml/witness-2.1.yml [2024-10-15 15:30:21,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:21,489 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:21,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/trex03-2.c [2024-10-15 15:30:23,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:23,342 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:23,343 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/trex03-2.c [2024-10-15 15:30:23,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3aade693c/2e7a7c63107b45f8ba2805f1e5cb9a1f/FLAG1362ba332 [2024-10-15 15:30:23,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3aade693c/2e7a7c63107b45f8ba2805f1e5cb9a1f [2024-10-15 15:30:23,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:23,370 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:23,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:23,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:23,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:23,378 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 03:30:21" (1/2) ... [2024-10-15 15:30:23,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdb5c1f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:23, skipping insertion in model container [2024-10-15 15:30:23,381 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 03:30:21" (1/2) ... [2024-10-15 15:30:23,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@213a3c0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:23, skipping insertion in model container [2024-10-15 15:30:23,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:23" (2/2) ... [2024-10-15 15:30:23,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdb5c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23, skipping insertion in model container [2024-10-15 15:30:23,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:23" (2/2) ... [2024-10-15 15:30:23,392 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:23,393 INFO L1541 ArrayList]: Function contract at [L5]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:23,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:23,602 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/loops/trex03-2.c[320,333] [2024-10-15 15:30:23,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:23,634 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:23,669 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/loops/trex03-2.c[320,333] [2024-10-15 15:30:23,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:23,697 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:23,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23 WrapperNode [2024-10-15 15:30:23,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:23,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:23,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:23,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:23,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,719 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:23,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:23,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:23,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:23,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:23,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,750 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 15:30:23,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:23,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:23,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:23,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:23,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (1/1) ... [2024-10-15 15:30:23,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:23,796 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 15:30:23,799 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 15:30:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:23,920 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:23,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:24,082 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:24,093 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:24,117 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:24,118 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:24,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:24 BoogieIcfgContainer [2024-10-15 15:30:24,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:24,119 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:24,122 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:24,123 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:24,123 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 03:30:21" (1/4) ... [2024-10-15 15:30:24,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@287f1b6d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:24, skipping insertion in model container [2024-10-15 15:30:24,124 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:23" (2/4) ... [2024-10-15 15:30:24,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@287f1b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:24, skipping insertion in model container [2024-10-15 15:30:24,124 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:23" (3/4) ... [2024-10-15 15:30:24,126 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@287f1b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:24, skipping insertion in model container [2024-10-15 15:30:24,126 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:24" (4/4) ... [2024-10-15 15:30:24,127 INFO L79 RefereeObserver]: Analyzing ICFG trex03-2.c [2024-10-15 15:30:24,132 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:24,133 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-2 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:30:24,135 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 15:30:24,135 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 15:30:24,135 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 [2024-10-15 15:30:24,183 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-10-15 15:30:24,184 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:24,184 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:24,185 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:24,186 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:24,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:24,198 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-10-15 15:30:24,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:24,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:24,200 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:24,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:24,211 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:24,232 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-2 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:24,259 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:24,260 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:24,260 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:24,260 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:24,260 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:24,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:24,264 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:24,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:24,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:24,265 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:24,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:24,266 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:24,272 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:24,293 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:24,294 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:24,294 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:24,294 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:24,295 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:24,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:24,296 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:24,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:24,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:24,297 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:24,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:24,298 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:24,305 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:24,309 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:24,309 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@287f1b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:24, skipping insertion in model container [2024-10-15 15:30:24,309 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:24,312 INFO L158 Benchmark]: Toolchain (without parser) took 940.57ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 47.3MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:24,313 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:24,313 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:24,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.29ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 49.3MB in the end (delta: -6.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-10-15 15:30:24,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.35ms. Allocated memory is still 81.8MB. Free memory was 49.0MB in the beginning and 48.1MB in the end (delta: 887.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:24,315 INFO L158 Benchmark]: Boogie Preprocessor took 42.69ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 46.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:24,315 INFO L158 Benchmark]: RCFGBuilder took 354.73ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 57.8MB in the end (delta: -11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:24,316 INFO L158 Benchmark]: Referee took 190.57ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 47.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:24,318 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 20 to check that procedure precondition always holds at line 20. 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 7. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.29ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 49.3MB in the end (delta: -6.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.35ms. Allocated memory is still 81.8MB. Free memory was 49.0MB in the beginning and 48.1MB in the end (delta: 887.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.69ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 46.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 354.73ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 57.8MB in the end (delta: -11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 190.57ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 47.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:24,343 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...