This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:05:23,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:24,034 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:05:24,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:24,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:24,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:24,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:24,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:24,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:24,073 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:24,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:24,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:24,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:24,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:24,075 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:24,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:24,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:24,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:24,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:05:24,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:24,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:24,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:24,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:24,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:24,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:24,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:24,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:24,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:24,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:24,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:24,084 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:24,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:24,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:24,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:24,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:24,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:24,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:24,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:05:24,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:05:24,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:24,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:24,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:24,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:24,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:24,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:24,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:24,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:24,378 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:24,378 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:24,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll.yml/witness-2.1.yml [2024-09-13 05:05:24,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:24,468 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:24,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-13 05:05:25,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:26,138 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:26,141 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/sqrt1-ll.c [2024-09-13 05:05:26,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/55716af74/68c8017b83014594b5105f1de44ea3cf/FLAGbe12aecf3 [2024-09-13 05:05:26,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/55716af74/68c8017b83014594b5105f1de44ea3cf [2024-09-13 05:05:26,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:26,176 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:26,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:26,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:26,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:26,187 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 05:05:24" (1/2) ... [2024-09-13 05:05:26,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539735bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,188 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 05:05:24" (1/2) ... [2024-09-13 05:05:26,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cb51a2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:26" (2/2) ... [2024-09-13 05:05:26,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539735bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:26" (2/2) ... [2024-09-13 05:05:26,200 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:26,201 INFO L1541 ArrayList]: Loop invariant at [L29-L41] ((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (t == (((__int128) a * 2) + 1))) [2024-09-13 05:05:26,201 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:05:26,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:26,403 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/sqrt1-ll.c[520,533] [2024-09-13 05:05:26,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:26,469 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:05:26,512 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/sqrt1-ll.c[520,533] Start Parsing Local [2024-09-13 05:05:26,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:26,577 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:26,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26 WrapperNode [2024-09-13 05:05:26,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:26,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:26,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:26,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:26,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,614 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 05:05:26,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:26,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:26,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:26,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:26,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (1/1) ... [2024-09-13 05:05:26,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:26,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:26,670 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 05:05:26,672 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 05:05:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:05:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:05:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:05:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:05:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:26,792 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:26,795 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:26,923 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:26,952 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:26,988 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:26,991 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:05:26,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:26 BoogieIcfgContainer [2024-09-13 05:05:26,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:26,994 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:26,994 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:26,995 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:26,996 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 05:05:24" (1/4) ... [2024-09-13 05:05:26,996 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cb2f867 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,998 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:26" (2/4) ... [2024-09-13 05:05:26,998 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cb2f867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,998 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:26" (3/4) ... [2024-09-13 05:05:26,998 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cb2f867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:26, skipping insertion in model container [2024-09-13 05:05:26,999 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:26" (4/4) ... [2024-09-13 05:05:27,000 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll.c [2024-09-13 05:05:27,005 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:05:27,006 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:05:27,006 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:05:27,006 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:27,006 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 05:05:27,006 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:05:27,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 05:05:27,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-13 05:05:27,007 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 05:05:27,007 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 05:05:27,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:27,008 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, 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:05:27,081 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:27,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,111 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:27,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,114 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,115 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,131 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:27,164 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:05:27,164 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,198 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-13 05:05:27,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,199 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,205 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:27,224 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:27,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,231 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:27,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,233 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,234 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,237 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:27,256 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:05:27,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,257 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,257 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,262 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:05:27,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,265 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,273 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:27,296 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:05:27,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,297 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,315 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:05:27,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,317 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,317 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,323 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:27,339 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 05:05:27,341 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,341 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,341 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,354 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-13 05:05:27,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,355 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,357 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,359 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:27,373 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 05:05:27,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,395 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 05:05:27,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,398 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:27,409 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:27,409 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,414 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:27,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,419 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:27,430 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:27,430 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,432 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,432 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,434 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:27,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,434 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,434 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,434 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,435 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,438 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:27,447 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:05:27,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:27,448 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:27,448 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:27,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:27,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,456 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:05:27,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:27,457 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:27,457 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:27,457 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:27,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:27,460 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:27,464 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:05:27,465 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cb2f867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:27, skipping insertion in model container [2024-09-13 05:05:27,466 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:27,468 INFO L158 Benchmark]: Toolchain (without parser) took 1290.80ms. Allocated memory is still 176.2MB. Free memory was 107.1MB in the beginning and 92.3MB in the end (delta: 14.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:27,469 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:27,469 INFO L158 Benchmark]: CDTParser took 1.84ms. Allocated memory is still 176.2MB. Free memory was 151.9MB in the beginning and 151.8MB in the end (delta: 138.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:27,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.03ms. Allocated memory is still 176.2MB. Free memory was 107.0MB in the beginning and 146.8MB in the end (delta: -39.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:27,471 INFO L158 Benchmark]: Boogie Preprocessor took 49.61ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 144.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:27,472 INFO L158 Benchmark]: RCFGBuilder took 363.13ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 130.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:27,473 INFO L158 Benchmark]: Referee took 471.92ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 92.3MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:27,476 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 loop head at line 29 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 30. 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 13. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.84ms. Allocated memory is still 176.2MB. Free memory was 151.9MB in the beginning and 151.8MB in the end (delta: 138.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.03ms. Allocated memory is still 176.2MB. Free memory was 107.0MB in the beginning and 146.8MB in the end (delta: -39.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.61ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 144.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.13ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 130.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 471.92ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 92.3MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:27,503 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...