This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:05:16,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:16,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:05:16,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:16,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:16,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:16,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:16,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:16,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:16,742 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:16,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:16,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:16,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:16,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:16,743 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:16,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:16,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:16,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:16,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:05:16,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:16,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:16,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:16,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:16,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:16,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:16,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:16,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:16,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:16,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:16,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:16,753 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:16,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:16,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:16,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:16,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:16,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:16,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:16,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:05:16,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:05:16,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:16,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:16,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:16,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:16,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:17,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:17,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:17,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:17,032 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:17,033 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:17,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll.yml/witness-2.1.yml [2024-09-13 05:05:17,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:17,101 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:17,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-09-13 05:05:18,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:18,714 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:18,714 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-09-13 05:05:18,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1ea05a884/1789a2ad5cb740a09c651f40b42d5a94/FLAG22d3ec590 [2024-09-13 05:05:19,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1ea05a884/1789a2ad5cb740a09c651f40b42d5a94 [2024-09-13 05:05:19,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:19,104 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:19,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:19,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:19,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:19,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:17" (1/2) ... [2024-09-13 05:05:19,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6312d7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:19, skipping insertion in model container [2024-09-13 05:05:19,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:17" (1/2) ... [2024-09-13 05:05:19,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b1dfc5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:19, skipping insertion in model container [2024-09-13 05:05:19,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:19" (2/2) ... [2024-09-13 05:05:19,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6312d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19, skipping insertion in model container [2024-09-13 05:05:19,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:19" (2/2) ... [2024-09-13 05:05:19,123 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:19,124 INFO L1541 ArrayList]: Loop invariant at [L26-L35] ((((3 * ((__int128) y * y)) + y) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 6)) [2024-09-13 05:05:19,124 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:05:19,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:19,280 WARN L247 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/ps3-ll.c[458,471] [2024-09-13 05:05:19,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:19,306 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:05:19,351 WARN L247 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/ps3-ll.c[458,471] Start Parsing Local [2024-09-13 05:05:19,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:19,384 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:19,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19 WrapperNode [2024-09-13 05:05:19,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:19,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:19,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:19,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:19,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,422 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 [2024-09-13 05:05:19,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:19,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:19,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:19,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:19,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (1/1) ... [2024-09-13 05:05:19,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:19,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:19,473 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) [2024-09-13 05:05:19,484 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 [2024-09-13 05:05:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-13 05:05:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:05:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:05:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:05:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:19,591 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:19,593 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:19,696 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:19,722 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:19,743 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:19,745 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:05:19,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:19 BoogieIcfgContainer [2024-09-13 05:05:19,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:19,746 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:19,747 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:19,748 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:19,748 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:17" (1/4) ... [2024-09-13 05:05:19,749 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b44ac6d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:19, skipping insertion in model container [2024-09-13 05:05:19,750 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:19" (2/4) ... [2024-09-13 05:05:19,750 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b44ac6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:19, skipping insertion in model container [2024-09-13 05:05:19,750 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:19" (3/4) ... [2024-09-13 05:05:19,750 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b44ac6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:19, skipping insertion in model container [2024-09-13 05:05:19,751 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:19" (4/4) ... [2024-09-13 05:05:19,752 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll.c [2024-09-13 05:05:19,755 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:05:19,756 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:05:19,756 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:19,756 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:05:19,756 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:05:19,756 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:19,756 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:19,757 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:05:19,798 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:05:19,799 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:19,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:19,802 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:19,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:19,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:19,853 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:05:19,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:19,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:19,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:19,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:19,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:19,889 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:19,922 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:19,922 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:19,923 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:19,923 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:19,923 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:19,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:19,930 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:19,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:19,931 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:19,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:19,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:19,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:19,939 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:19,961 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:05:19,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:19,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:19,962 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:19,962 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:19,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:19,968 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:05:19,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:19,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:19,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:19,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:19,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:19,978 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:19,995 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:05:19,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:19,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:19,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:19,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:19,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:20,014 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:05:20,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:20,015 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:20,016 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:20,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:20,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:20,021 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:20,038 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:20,038 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:20,038 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:20,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:20,038 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:20,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:20,043 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:20,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:20,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:20,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:20,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:20,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:20,050 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:20,061 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:20,061 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:20,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:20,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:20,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:20,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:20,067 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:20,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:20,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:20,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:20,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:20,067 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:20,071 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:20,074 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:05:20,075 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b44ac6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:20, skipping insertion in model container [2024-09-13 05:05:20,075 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:20,079 INFO L158 Benchmark]: Toolchain (without parser) took 974.64ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 82.1MB in the beginning and 136.4MB in the end (delta: -54.3MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-09-13 05:05:20,081 INFO L158 Benchmark]: Witness Parser took 0.69ms. Allocated memory is still 138.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 152.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:20,081 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:20,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.42ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 68.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:05:20,082 INFO L158 Benchmark]: Boogie Preprocessor took 52.14ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:20,083 INFO L158 Benchmark]: RCFGBuilder took 306.13ms. Allocated memory is still 138.4MB. Free memory was 66.4MB in the beginning and 53.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:05:20,084 INFO L158 Benchmark]: Referee took 328.51ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 53.8MB in the beginning and 136.4MB in the end (delta: -82.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-13 05:05:20,088 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 26. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 27. 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 26 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from loop head at line 26 to loop head at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.69ms. Allocated memory is still 138.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 152.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.42ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 68.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.14ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.13ms. Allocated memory is still 138.4MB. Free memory was 66.4MB in the beginning and 53.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 328.51ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 53.8MB in the beginning and 136.4MB in the end (delta: -82.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:20,122 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...