This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:29,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:29,149 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:29,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:29,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:29,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:29,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:29,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:29,185 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:29,187 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:29,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:29,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:29,189 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:29,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:29,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:29,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:29,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:29,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:29,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:29,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:29,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:29,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:29,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:29,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:29,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:29,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:29,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:29,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:29,195 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:29,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:29,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:29,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:29,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:29,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:29,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:29,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:29,550 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:29,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2024-10-15 15:30:31,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:31,325 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:31,326 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2024-10-15 15:30:31,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dde507991/6ba368e743d049b796107e21989733b8/FLAG9998ff3c5 [2024-10-15 15:30:31,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dde507991/6ba368e743d049b796107e21989733b8 [2024-10-15 15:30:31,709 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:31,710 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:31,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_4-2.yml/witness-2.1.yml [2024-10-15 15:30:31,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:31,763 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:31,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:31,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:31,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:31,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:31" (1/2) ... [2024-10-15 15:30:31,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc543c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:31, skipping insertion in model container [2024-10-15 15:30:31,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:31" (1/2) ... [2024-10-15 15:30:31,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e9c58e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:31, skipping insertion in model container [2024-10-15 15:30:31,777 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 03:30:31" (2/2) ... [2024-10-15 15:30:31,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc543c3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:31, skipping insertion in model container [2024-10-15 15:30:31,778 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 03:30:31" (2/2) ... [2024-10-15 15:30:31,786 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:31,786 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:30:31,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:31,993 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-acceleration/simple_4-2.c[322,335] [2024-10-15 15:30:32,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:32,012 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:32,052 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-acceleration/simple_4-2.c[322,335] [2024-10-15 15:30:32,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:32,070 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:32,071 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32 WrapperNode [2024-10-15 15:30:32,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:32,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:32,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:32,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:32,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,092 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:32,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:32,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:32,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:32,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:32,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,115 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 15:30:32,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:32,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:32,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:32,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:32,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (1/1) ... [2024-10-15 15:30:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:32,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:32,161 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 15:30:32,164 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 15:30:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:32,274 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:32,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:32,376 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:32,395 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:32,437 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:32,438 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:32,438 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:32 BoogieIcfgContainer [2024-10-15 15:30:32,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:32,439 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:32,439 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:32,440 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:32,440 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:31" (1/4) ... [2024-10-15 15:30:32,441 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7ef8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:32, skipping insertion in model container [2024-10-15 15:30:32,441 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 03:30:31" (2/4) ... [2024-10-15 15:30:32,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7ef8e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:32, skipping insertion in model container [2024-10-15 15:30:32,442 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:32" (3/4) ... [2024-10-15 15:30:32,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7ef8e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:32, skipping insertion in model container [2024-10-15 15:30:32,442 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:32" (4/4) ... [2024-10-15 15:30:32,443 INFO L79 RefereeObserver]: Analyzing ICFG simple_4-2.c [2024-10-15 15:30:32,447 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:32,449 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L15-2 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:30:32,449 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 15:30:32,450 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 15:30:32,450 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 15:30:32,492 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-10-15 15:30:32,494 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:32,494 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:32,495 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:32,496 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:32,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:32,506 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-10-15 15:30:32,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:32,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:32,509 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:32,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:32,517 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:32,532 INFO L520 InvariantChecker]: The annotation(s) from loop head L15-2 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:32,544 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:32,544 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:32,544 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:32,545 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:32,545 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:32,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:32,553 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:32,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:32,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:32,554 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:32,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:32,560 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:32,566 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:32,576 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:32,576 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:32,576 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:32,577 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:32,577 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:32,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:32,580 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:32,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:32,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:32,581 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:32,581 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:32,581 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:32,585 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:32,588 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:32,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7ef8e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:32, skipping insertion in model container [2024-10-15 15:30:32,589 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:32,590 INFO L158 Benchmark]: Toolchain (without parser) took 826.72ms. Allocated memory is still 81.8MB. Free memory was 50.5MB in the beginning and 36.2MB in the end (delta: 14.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:32,591 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:32,591 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 182.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:32,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.10ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 56.8MB in the end (delta: -6.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:32,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.58ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 55.7MB in the end (delta: 709.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:32,592 INFO L158 Benchmark]: Boogie Preprocessor took 35.07ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 54.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:32,593 INFO L158 Benchmark]: RCFGBuilder took 308.64ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 44.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:32,593 INFO L158 Benchmark]: Referee took 150.05ms. Allocated memory is still 81.8MB. Free memory was 44.2MB in the beginning and 36.2MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:32,602 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 15 to check that procedure precondition always holds at line 15. 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 7. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 182.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.10ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 56.8MB in the end (delta: -6.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.58ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 55.7MB in the end (delta: 709.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.07ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 54.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.64ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 44.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 150.05ms. Allocated memory is still 81.8MB. Free memory was 44.2MB in the beginning and 36.2MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:32,630 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...