This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:52,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:52,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:52,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:52,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:52,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:52,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:52,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:52,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:52,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:52,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:52,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:52,416 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:52,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:52,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:52,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:52,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:52,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:52,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:52,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:52,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:52,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:52,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:52,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:52,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:52,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:52,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:52,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:52,425 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:52,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:52,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:52,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:52,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:52,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:52,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:52,699 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:52,699 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:52,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound20.yml/witness-2.1.yml [2024-10-15 15:33:52,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:52,741 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:52,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-10-15 15:33:54,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:54,253 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:54,253 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-10-15 15:33:54,258 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6854fed54/93629b5596344707959f81fc5078c82a/FLAGa5ab91ec2 [2024-10-15 15:33:54,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6854fed54/93629b5596344707959f81fc5078c82a [2024-10-15 15:33:54,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:54,275 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:54,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:54,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:54,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:54,282 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 03:33:52" (1/2) ... [2024-10-15 15:33:54,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146cc440 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:54, skipping insertion in model container [2024-10-15 15:33:54,285 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 03:33:52" (1/2) ... [2024-10-15 15:33:54,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ae5814e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:54, skipping insertion in model container [2024-10-15 15:33:54,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:54" (2/2) ... [2024-10-15 15:33:54,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146cc440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54, skipping insertion in model container [2024-10-15 15:33:54,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:54" (2/2) ... [2024-10-15 15:33:54,291 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:54,292 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((c + ((__int128) c * y)) == (y + ((__int128) y * y))) && ((((__int128) c * 2) + ((__int128) c * y)) == (((__int128) y * 2) + ((__int128) y * y)))) && ((((2 * ((((((__int128) y * y) * y) * y) * y) * y)) + (6 * (((((__int128) y * y) * y) * y) * y))) + (5 * ((((__int128) y * y) * y) * y))) == (((__int128) x * 12) + ((__int128) y * y)))) && ((c < k) || (((__int128) y * y) == ((__int128) k * y)))) [2024-10-15 15:33:54,292 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:54,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:54,454 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/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-10-15 15:33:54,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:54,482 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:54,513 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/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] Start Parsing Local [2024-10-15 15:33:54,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:54,546 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:54,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54 WrapperNode [2024-10-15 15:33:54,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:54,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:54,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:54,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:54,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,569 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:54,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:54,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:54,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:54,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:54,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,590 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 15:33:54,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:54,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:54,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:54,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:54,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (1/1) ... [2024-10-15 15:33:54,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:54,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:54,631 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 15:33:54,637 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 15:33:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:54,722 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:54,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:54,844 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:54,857 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:54,876 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:54,876 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:54,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:54 BoogieIcfgContainer [2024-10-15 15:33:54,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:54,877 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:54,877 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:54,878 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:54,881 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 03:33:52" (1/4) ... [2024-10-15 15:33:54,881 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c27fcf6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:54, skipping insertion in model container [2024-10-15 15:33:54,881 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:54" (2/4) ... [2024-10-15 15:33:54,881 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c27fcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:54, skipping insertion in model container [2024-10-15 15:33:54,881 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:54" (3/4) ... [2024-10-15 15:33:54,882 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c27fcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:54, skipping insertion in model container [2024-10-15 15:33:54,882 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:54" (4/4) ... [2024-10-15 15:33:54,883 INFO L79 RefereeObserver]: Analyzing ICFG ps6-ll_valuebound20.c [2024-10-15 15:33:54,885 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:54,887 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:54,888 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:54,888 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:33:54,888 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:33:54,888 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 15:33:54,888 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 15:33:54,889 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:54,889 INFO L131 InvariantChecker]: Will check 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, 3 loop-free subgraphs from loop head to error location [2024-10-15 15:33:54,943 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:54,944 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:54,944 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:54,945 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:54,946 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:54,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:54,973 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:54,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:54,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:54,975 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:54,976 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:54,982 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:55,004 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:55,017 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:55,018 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:55,018 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:55,018 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:55,018 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:55,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,028 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:55,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:55,031 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:55,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:55,032 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:55,035 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:55,044 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:55,048 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:55,048 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:55,048 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:55,049 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:55,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,055 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:55,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,056 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:55,056 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:55,056 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:55,056 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:55,062 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:55,073 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:55,073 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:55,073 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:55,074 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:55,074 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:55,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,090 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:55,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:55,091 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:55,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:55,091 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:55,115 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:55,129 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:55,130 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:55,130 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:55,130 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:55,130 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:55,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,132 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:55,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:55,132 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:55,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:55,133 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:55,134 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:55,140 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:55,141 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:55,141 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:55,141 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:55,141 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:55,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,143 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:55,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:55,143 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:55,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:55,143 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:55,145 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:55,153 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:55,154 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:55,154 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:55,155 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:55,155 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:55,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,168 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:33:55,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:55,168 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:55,168 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:55,168 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:55,172 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:55,174 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:55,176 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:55,177 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c27fcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:55, skipping insertion in model container [2024-10-15 15:33:55,177 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:55,179 INFO L158 Benchmark]: Toolchain (without parser) took 904.71ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 32.3MB in the beginning and 44.2MB in the end (delta: -11.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:55,179 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 44.0MB. Free memory was 21.7MB in the beginning and 21.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:55,180 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 60.8MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 82.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:55,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.87ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 32.2MB in the beginning and 52.8MB in the end (delta: -20.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:55,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.84ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 51.8MB in the end (delta: 705.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:55,181 INFO L158 Benchmark]: Boogie Preprocessor took 33.73ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 50.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:55,181 INFO L158 Benchmark]: RCFGBuilder took 270.03ms. Allocated memory is still 79.7MB. Free memory was 50.0MB in the beginning and 36.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:55,182 INFO L158 Benchmark]: Referee took 300.23ms. Allocated memory is still 79.7MB. Free memory was 36.4MB in the beginning and 44.2MB in the end (delta: -7.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:55,184 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 main to loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 29. 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 28 to loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 44.0MB. Free memory was 21.7MB in the beginning and 21.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.52ms. Allocated memory is still 60.8MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 82.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.87ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 32.2MB in the beginning and 52.8MB in the end (delta: -20.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.84ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 51.8MB in the end (delta: 705.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.73ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 50.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 270.03ms. Allocated memory is still 79.7MB. Free memory was 50.0MB in the beginning and 36.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 300.23ms. Allocated memory is still 79.7MB. Free memory was 36.4MB in the beginning and 44.2MB in the end (delta: -7.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:55,207 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...