This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:51,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:51,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:51,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:51,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:51,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:51,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:51,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:51,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:51,257 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:51,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:51,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:51,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:51,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:51,260 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:51,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:51,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:51,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:51,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:51,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:51,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:51,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:51,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:51,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:51,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:51,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:51,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:51,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:51,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:51,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:51,269 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:51,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:51,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:51,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:51,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:51,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:51,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:51,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:51,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:51,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:51,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:51,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:51,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:51,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:51,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:51,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:51,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:51,561 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:51,562 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:51,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound100.yml/witness-2.1.yml [2024-09-13 10:08:51,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:51,658 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:51,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2024-09-13 10:08:53,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:53,311 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:53,312 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2024-09-13 10:08:53,320 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/791cbb01b/fbbb243129294fedb18bb49d8d396033/FLAGc0ceb7fcf [2024-09-13 10:08:53,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/791cbb01b/fbbb243129294fedb18bb49d8d396033 [2024-09-13 10:08:53,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:53,335 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:53,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:53,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:53,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:53,344 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 10:08:51" (1/2) ... [2024-09-13 10:08:53,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8fecb0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:53, skipping insertion in model container [2024-09-13 10:08:53,347 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 10:08:51" (1/2) ... [2024-09-13 10:08:53,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48c62b3d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:53, skipping insertion in model container [2024-09-13 10:08:53,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:53" (2/2) ... [2024-09-13 10:08:53,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8fecb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53, skipping insertion in model container [2024-09-13 10:08:53,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:53" (2/2) ... [2024-09-13 10:08:53,362 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:53,363 INFO L1541 ArrayList]: Loop invariant at [L37-L61] ((((((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x)) && (\old(counter) == 0)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-13 10:08:53,363 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((1 <= r) && (((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x))) && (\old(counter) == 0)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-13 10:08:53,363 INFO L1541 ArrayList]: Function contract at [L23]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:08:53,380 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:53,381 INFO L1541 ArrayList]: Function contract at [L11]: requires (counter == 0), ensures ((\old(cond) != 0) && (counter == 0)) [2024-09-13 10:08:53,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:53,597 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-scaling/cohendiv-ll_unwindbound100.c[576,589] [2024-09-13 10:08:53,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:53,641 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:08:53,684 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-scaling/cohendiv-ll_unwindbound100.c[576,589] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 10:08:53,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:53,719 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:53,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53 WrapperNode [2024-09-13 10:08:53,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:53,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:53,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:53,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:53,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,757 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:08:53,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:53,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:53,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:53,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:53,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (1/1) ... [2024-09-13 10:08:53,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:53,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:53,820 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 10:08:53,822 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 10:08:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:08:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:08:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:53,951 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:53,955 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:53,978 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:54,015 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:54,187 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:54,205 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:54,251 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:54,253 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:08:54,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:54 BoogieIcfgContainer [2024-09-13 10:08:54,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:54,254 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:54,255 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:54,256 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:54,256 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 10:08:51" (1/4) ... [2024-09-13 10:08:54,257 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4988b25b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:54, skipping insertion in model container [2024-09-13 10:08:54,258 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:53" (2/4) ... [2024-09-13 10:08:54,258 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4988b25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:54, skipping insertion in model container [2024-09-13 10:08:54,258 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:53" (3/4) ... [2024-09-13 10:08:54,259 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4988b25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:54, skipping insertion in model container [2024-09-13 10:08:54,259 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:54" (4/4) ... [2024-09-13 10:08:54,260 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_unwindbound100.c [2024-09-13 10:08:54,265 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:08:54,265 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:54,266 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:54,266 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 10:08:54,266 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:08:54,266 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:54,267 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 10:08:54,267 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:08:54,267 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 10:08:54,267 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:08:54,267 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:54,268 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:54,268 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:08:54,268 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:08:54,268 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 10:08:54,269 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-13 10:08:54,269 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 10:08:54,269 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:54,269 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-13 10:08:54,325 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:08:54,326 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,327 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,342 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:08:54,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,344 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,351 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,367 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:54,390 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:08:54,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,391 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,391 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,391 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,406 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:08:54,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,409 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,447 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 10:08:54,447 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,447 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,467 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-13 10:08:54,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,468 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,471 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,481 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,505 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 10:08:54,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,505 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,523 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 10:08:54,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,523 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,523 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,526 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,540 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:08:54,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,541 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,541 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,546 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:08:54,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,547 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,549 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,569 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:08:54,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,570 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,581 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:08:54,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,584 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,584 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,584 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,591 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,609 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:08:54,610 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,610 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,611 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,611 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,616 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:08:54,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,621 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:54,638 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 10:08:54,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,663 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-13 10:08:54,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,664 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,687 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,695 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:54,706 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:08:54,707 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,709 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:08:54,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,709 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,709 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,713 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,722 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:08:54,723 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,723 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,737 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:08:54,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,740 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,750 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:54,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,752 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:54,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,754 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,765 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:08:54,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,766 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,775 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:08:54,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,780 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:54,791 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:08:54,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,810 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:08:54,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,818 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:54,827 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:54,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,830 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:54,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,835 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:54,846 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 10:08:54,847 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,847 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,864 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 10:08:54,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,866 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,867 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr10ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:54,875 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:54,875 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,875 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,875 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,877 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:54,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,879 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:54,889 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:08:54,889 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:54,889 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:54,889 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:54,890 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:54,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,896 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:08:54,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:54,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:54,899 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:54,899 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:54,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:54,904 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:54,908 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:54,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4988b25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:54, skipping insertion in model container [2024-09-13 10:08:54,909 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:54,911 INFO L158 Benchmark]: Toolchain (without parser) took 1575.47ms. Allocated memory is still 144.7MB. Free memory was 74.7MB in the beginning and 73.9MB in the end (delta: 795.3kB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:54,912 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:54,912 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:54,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.38ms. Allocated memory is still 144.7MB. Free memory was 74.6MB in the beginning and 106.5MB in the end (delta: -32.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:54,914 INFO L158 Benchmark]: Boogie Preprocessor took 60.11ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:54,914 INFO L158 Benchmark]: RCFGBuilder took 471.53ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 89.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:54,915 INFO L158 Benchmark]: Referee took 654.92ms. Allocated memory is still 144.7MB. Free memory was 89.1MB in the beginning and 73.9MB in the end (delta: 15.2MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-09-13 10:08:54,917 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 37 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure main 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 37 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.38ms. Allocated memory is still 144.7MB. Free memory was 74.6MB in the beginning and 106.5MB in the end (delta: -32.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.11ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.53ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 89.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 654.92ms. Allocated memory is still 144.7MB. Free memory was 89.1MB in the beginning and 73.9MB in the end (delta: 15.2MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:54,949 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...