This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:47,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:47,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:47,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:47,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:47,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:47,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:47,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:47,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:47,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:47,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:47,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:47,513 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:47,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:47,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:47,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:47,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:47,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:47,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:47,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:47,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:47,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:47,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:47,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:47,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:47,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:47,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:47,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:47,520 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:47,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:47,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:47,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:47,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:47,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:47,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:47,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:47,900 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:47,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark51_polynomial.i [2024-10-15 15:31:49,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:49,572 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:49,573 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark51_polynomial.i [2024-10-15 15:31:49,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/35763dff8/fab24e24a35045d0a28d2499293d0d46/FLAG82e1be1f9 [2024-10-15 15:31:49,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/35763dff8/fab24e24a35045d0a28d2499293d0d46 [2024-10-15 15:31:49,966 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:49,967 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:49,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark51_polynomial.yml/witness-2.1.yml [2024-10-15 15:31:50,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:50,026 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:50,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:50,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:50,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:50,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:49" (1/2) ... [2024-10-15 15:31:50,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5864c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:50, skipping insertion in model container [2024-10-15 15:31:50,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:49" (1/2) ... [2024-10-15 15:31:50,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@761fccdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:50, skipping insertion in model container [2024-10-15 15:31:50,038 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 03:31:50" (2/2) ... [2024-10-15 15:31:50,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5864c1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:50, skipping insertion in model container [2024-10-15 15:31:50,039 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 03:31:50" (2/2) ... [2024-10-15 15:31:50,049 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:50,050 INFO L1541 ArrayList]: Loop invariant at [L22-L26] ((0 <= x) && (x <= 50)) [2024-10-15 15:31:50,051 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:50,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:50,260 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-zilu/benchmark51_polynomial.i[872,885] [2024-10-15 15:31:50,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:50,287 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:50,317 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-zilu/benchmark51_polynomial.i[872,885] Start Parsing Local [2024-10-15 15:31:50,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:50,337 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:50,338 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:50 WrapperNode [2024-10-15 15:31:50,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:50,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:50,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:50,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:50,348 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,357 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,363 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:50,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:50,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:50,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:50,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:50,375 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,375 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,376 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,385 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 15:31:50,386 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,386 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,388 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,391 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,393 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,394 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:50,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:50,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:50,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:50,399 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 03:31:50" (1/1) ... [2024-10-15 15:31:50,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:50,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:50,431 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 15:31:50,437 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 15:31:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:50,554 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:50,557 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:50,683 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:50,694 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:50,716 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:50,719 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:50,720 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:50 BoogieIcfgContainer [2024-10-15 15:31:50,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:50,721 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:50,721 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:50,721 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:50,722 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:49" (1/4) ... [2024-10-15 15:31:50,722 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b18bedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:50, skipping insertion in model container [2024-10-15 15:31:50,722 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 03:31:50" (2/4) ... [2024-10-15 15:31:50,722 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b18bedb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:50, skipping insertion in model container [2024-10-15 15:31:50,722 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 03:31:50" (3/4) ... [2024-10-15 15:31:50,723 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b18bedb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:50, skipping insertion in model container [2024-10-15 15:31:50,723 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 03:31:50" (4/4) ... [2024-10-15 15:31:50,724 INFO L79 RefereeObserver]: Analyzing ICFG benchmark51_polynomial.i [2024-10-15 15:31:50,729 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:50,731 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:31:50,731 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:50,732 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:50,732 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 15:31:50,732 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 15:31:50,733 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:50,786 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:31:50,791 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:50,792 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:50,792 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:50,793 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:50,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,857 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:31:50,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:50,859 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:50,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:50,875 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:50,905 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:50,913 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:50,914 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:50,914 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:50,914 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:50,914 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:50,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,917 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:50,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,917 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:50,917 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:50,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:50,918 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:50,927 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:50,940 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:50,940 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:50,940 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:50,940 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:50,940 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:50,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,951 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:50,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,952 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:50,952 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:50,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:50,957 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:50,962 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:50,970 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:50,971 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:50,971 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:50,971 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:50,971 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:50,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,974 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:50,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:50,975 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:50,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:50,976 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:50,978 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:50,985 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:50,985 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:50,986 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:50,986 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:50,986 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:50,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,988 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:50,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:50,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:50,988 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:50,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:50,989 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:50,990 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:50,994 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:50,995 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b18bedb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:50, skipping insertion in model container [2024-10-15 15:31:50,995 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:50,997 INFO L158 Benchmark]: Toolchain (without parser) took 969.57ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 30.6MB in the end (delta: 7.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:50,997 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 48.2MB. Free memory was 24.3MB in the beginning and 24.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:51,000 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 71.3MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:51,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.40ms. Allocated memory is still 71.3MB. Free memory was 38.0MB in the beginning and 41.9MB in the end (delta: -3.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:51,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.70ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:51,003 INFO L158 Benchmark]: Boogie Preprocessor took 31.84ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 39.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:51,003 INFO L158 Benchmark]: RCFGBuilder took 322.58ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 47.4MB in the end (delta: -8.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:51,004 INFO L158 Benchmark]: Referee took 274.45ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 31.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:51,007 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 main to loop head at line 22. 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 16. 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 loop head at line 22 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that procedure precondition always holds at line 22. * 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 24.3MB in the beginning and 24.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.27ms. Allocated memory is still 71.3MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.40ms. Allocated memory is still 71.3MB. Free memory was 38.0MB in the beginning and 41.9MB in the end (delta: -3.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.70ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.84ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 39.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.58ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 47.4MB in the end (delta: -8.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Referee took 274.45ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 31.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:51,038 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...