This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:15,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:15,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:15,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:15,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:15,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:15,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:15,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:15,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:15,517 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:15,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:15,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:15,519 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:15,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:15,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:15,522 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:15,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:15,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:15,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:15,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:15,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:15,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:15,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:15,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:15,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:15,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:15,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:15,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:15,530 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:15,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:15,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:15,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:15,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:15,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:15,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:15,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:15,907 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:15,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/terminator_02-2.c [2024-10-15 15:30:17,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:17,661 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:17,661 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/terminator_02-2.c [2024-10-15 15:30:17,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/871def27e/2eb4a0eb10cc4c1fa0c0a346ae2aa486/FLAGfab5a1aea [2024-10-15 15:30:17,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/871def27e/2eb4a0eb10cc4c1fa0c0a346ae2aa486 [2024-10-15 15:30:17,694 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:17,695 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:17,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/terminator_02-2.yml/witness-2.1.yml [2024-10-15 15:30:17,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:17,749 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:17,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:17,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:17,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:17,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:17" (1/2) ... [2024-10-15 15:30:17,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f450824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:17, skipping insertion in model container [2024-10-15 15:30:17,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:17" (1/2) ... [2024-10-15 15:30:17,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2994fa1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:17, skipping insertion in model container [2024-10-15 15:30:17,764 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 03:30:17" (2/2) ... [2024-10-15 15:30:17,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f450824 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:17, skipping insertion in model container [2024-10-15 15:30:17,764 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 03:30:17" (2/2) ... [2024-10-15 15:30:17,774 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:17,775 INFO L1541 ArrayList]: Function contract at [L9]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:17,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:17,990 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/terminator_02-2.c[414,427] [2024-10-15 15:30:18,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:18,022 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:18,062 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/terminator_02-2.c[414,427] [2024-10-15 15:30:18,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:18,089 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:18,090 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:18 WrapperNode [2024-10-15 15:30:18,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:18,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:18,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:18,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:18,099 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,107 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,113 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:18,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:18,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:18,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:18,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:18,127 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,127 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,128 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,144 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 15:30:18,144 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,145 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,147 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,151 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,152 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,156 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:18,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:18,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:18,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:18,159 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:18,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:18,192 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 15:30:18,199 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 15:30:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:18,318 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:18,321 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:18,472 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:18,487 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:18,521 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:18,523 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:18,523 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:18 BoogieIcfgContainer [2024-10-15 15:30:18,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:18,524 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:18,525 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:18,525 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:18,526 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:17" (1/4) ... [2024-10-15 15:30:18,526 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@476d6440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,527 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 03:30:17" (2/4) ... [2024-10-15 15:30:18,527 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@476d6440 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,528 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 03:30:18" (3/4) ... [2024-10-15 15:30:18,529 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@476d6440 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,529 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 03:30:18" (4/4) ... [2024-10-15 15:30:18,531 INFO L79 RefereeObserver]: Analyzing ICFG terminator_02-2.c [2024-10-15 15:30:18,535 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:18,536 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-2 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:30:18,536 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 15:30:18,536 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 15:30:18,537 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-10-15 15:30:18,579 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-10-15 15:30:18,580 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,580 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,581 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,582 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,591 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-10-15 15:30:18,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,593 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,598 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,618 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-2 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:18,636 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:18,640 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,640 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,640 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,640 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,644 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:18,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,644 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,644 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,644 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,645 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,655 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:18,672 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:18,673 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,673 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,673 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,673 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,675 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:18,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,676 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,676 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,676 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,677 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,678 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:18,682 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:18,683 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@476d6440 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,683 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:18,685 INFO L158 Benchmark]: Toolchain (without parser) took 935.08ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 35.9MB in the end (delta: 956.6kB). Peak memory consumption was 632.6kB. Max. memory is 16.1GB. [2024-10-15 15:30:18,687 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 48.2MB. Free memory was 24.4MB in the beginning and 24.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:18,688 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:18,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.93ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 40.4MB in the end (delta: -3.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.63ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 39.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:18,690 INFO L158 Benchmark]: Boogie Preprocessor took 42.65ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 37.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,691 INFO L158 Benchmark]: RCFGBuilder took 365.22ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 45.1MB in the end (delta: -7.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,692 INFO L158 Benchmark]: Referee took 159.04ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 35.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,696 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 11. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 48.2MB. Free memory was 24.4MB in the beginning and 24.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.93ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 40.4MB in the end (delta: -3.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.63ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 39.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.65ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 37.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.22ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 45.1MB in the end (delta: -7.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Referee took 159.04ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 35.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:18,721 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...