This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:18,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:18,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:18,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:18,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:18,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:18,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:18,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:18,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:18,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:18,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:18,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:18,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:18,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:18,374 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:18,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:18,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:18,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:18,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:18,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:18,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:18,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:18,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:18,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:18,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:18,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:18,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:18,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:18,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:18,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:18,383 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:18,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:18,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:18,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:18,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:18,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:18,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:18,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:18,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:18,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:18,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:18,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:18,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:18,386 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:18,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:18,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:18,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:18,660 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:18,661 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:18,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/while_infinite_loop_3.yml/output/witness-2.1.yml [2024-09-21 19:06:18,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:18,749 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:18,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/while_infinite_loop_3.c [2024-09-21 19:06:20,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:20,310 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:20,310 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_3.c [2024-09-21 19:06:20,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c36b7b9e6/7fd57b0a3ac8419585fe019bd90ac1c6/FLAGc38ca84a9 [2024-09-21 19:06:20,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c36b7b9e6/7fd57b0a3ac8419585fe019bd90ac1c6 [2024-09-21 19:06:20,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:20,333 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:20,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:20,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:20,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:20,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:18" (1/2) ... [2024-09-21 19:06:20,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79fb7980 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:20, skipping insertion in model container [2024-09-21 19:06:20,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:18" (1/2) ... [2024-09-21 19:06:20,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47b6eb2a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:20, skipping insertion in model container [2024-09-21 19:06:20,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:20" (2/2) ... [2024-09-21 19:06:20,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79fb7980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20, skipping insertion in model container [2024-09-21 19:06:20,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:20" (2/2) ... [2024-09-21 19:06:20,350 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:20,351 INFO L1541 ArrayList]: Loop invariant at [L26-L30] 1 [2024-09-21 19:06:20,351 INFO L1541 ArrayList]: Function contract at [L5]: requires cond == (1), ensures (!(cond == (1)) || (1)) [2024-09-21 19:06:20,351 INFO L1541 ArrayList]: Function contract at [L14]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:20,351 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures 1 [2024-09-21 19:06:20,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:20,505 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/while_infinite_loop_3.c[333,346] [2024-09-21 19:06:20,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:20,533 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:20,570 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/while_infinite_loop_3.c[333,346] Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:20,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:20,591 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:20,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20 WrapperNode [2024-09-21 19:06:20,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:20,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:20,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:20,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:20,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,626 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 [2024-09-21 19:06:20,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:20,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:20,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:20,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:20,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (1/1) ... [2024-09-21 19:06:20,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:20,669 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) [2024-09-21 19:06:20,671 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 [2024-09-21 19:06:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2024-09-21 19:06:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:20,782 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:20,784 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:20,809 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:20,871 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:20,877 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:20,887 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:20,908 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:20,908 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:06:20,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:20 BoogieIcfgContainer [2024-09-21 19:06:20,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:20,909 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:20,909 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:20,910 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:20,910 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:18" (1/4) ... [2024-09-21 19:06:20,910 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64511393 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:20, skipping insertion in model container [2024-09-21 19:06:20,910 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:20" (2/4) ... [2024-09-21 19:06:20,911 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64511393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:20, skipping insertion in model container [2024-09-21 19:06:20,911 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:20" (3/4) ... [2024-09-21 19:06:20,911 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64511393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:20, skipping insertion in model container [2024-09-21 19:06:20,911 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:20" (4/4) ... [2024-09-21 19:06:20,912 INFO L79 RefereeObserver]: Analyzing ICFG while_infinite_loop_3.c [2024-09-21 19:06:20,915 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:06:20,916 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:06:20,916 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:20,917 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:20,917 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:06:20,917 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:06:20,917 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:20,917 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD $Ultimate##5 to ERROR_LOC evalErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:20,917 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:20,917 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:20,918 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:20,918 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 19:06:20,958 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:06:20,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:20,959 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:20,960 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:20,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:20,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:20,979 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:06:20,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:20,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:20,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:20,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:20,986 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,003 INFO L520 InvariantChecker]: The annotation(s) from loop head L29 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:21,018 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:06:21,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,023 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:06:21,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,026 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,026 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,026 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,042 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:21,042 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,043 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,043 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,044 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:21,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,045 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,046 INFO L520 InvariantChecker]: The annotation(s) from loop head L29 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:21,053 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:21,053 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,054 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:21,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,054 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,063 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:21,078 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:06:21,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,078 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,080 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:06:21,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,084 INFO L520 InvariantChecker]: The annotation(s) from loop head L29 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:21,093 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:21,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,094 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:21,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,099 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,099 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,101 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:21,110 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 4 edges [2024-09-21 19:06:21,111 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,112 INFO L101 BaseMinimizeStates]: Removed 4 edges and 1 locations by large block encoding [2024-09-21 19:06:21,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,119 INFO L520 InvariantChecker]: The annotation(s) from loop head $Ultimate##5 to error location evalErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:21,129 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:21,130 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,130 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,137 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:21,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,140 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,140 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,140 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,144 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:21,151 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:21,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,154 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:21,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,157 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,157 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,157 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,160 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 19:06:21,171 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:21,174 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:21,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:21,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:21,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:21,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,177 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:21,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:21,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:21,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:21,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:21,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:21,182 INFO L520 InvariantChecker]: The annotation(s) from loop head L29 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:21,194 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:21,195 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64511393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:21, skipping insertion in model container [2024-09-21 19:06:21,196 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:21,197 INFO L158 Benchmark]: Toolchain (without parser) took 863.43ms. Allocated memory is still 163.6MB. Free memory was 95.1MB in the beginning and 112.8MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:21,198 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:21,199 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:21,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.76ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 81.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:21,201 INFO L158 Benchmark]: Boogie Preprocessor took 47.03ms. Allocated memory is still 163.6MB. Free memory was 81.8MB in the beginning and 79.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:21,201 INFO L158 Benchmark]: RCFGBuilder took 265.84ms. Allocated memory is still 163.6MB. Free memory was 79.7MB in the beginning and 130.8MB in the end (delta: -51.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:21,202 INFO L158 Benchmark]: Referee took 286.84ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 112.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:06:21,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 28. One counterexample starts in and ends in x=2. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 24 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 16 to exit of procedure eval. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.76ms. Allocated memory is still 163.6MB. Free memory was 94.9MB in the beginning and 81.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.03ms. Allocated memory is still 163.6MB. Free memory was 81.8MB in the beginning and 79.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.84ms. Allocated memory is still 163.6MB. Free memory was 79.7MB in the beginning and 130.8MB in the end (delta: -51.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Referee took 286.84ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 112.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:21,232 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...